-----------------------------------------------------------------------
  **MSFC PRACA : 2003-02-12 08:41**

  -----------------------------------------------------------------------

  -----------------------------------------------------------------------
  MSFC Problem Reporting and Corrective Action (PRACA) System

  WHOLE RECORD REPORT( + ADDENDUM)
  -----------------------------------------------------------------------

+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **In-Flight   | **C       | **      | *    |        |
| Record \#**\ | Anomaly       | ontractor | JSC#**\ | *KSC |        |
| A17356       | Number**\     | Report    | \--     | #**\ |        |
|              | \--           | Number**\ |         | \--  |        |
|              |               | S-081     |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| STRUCTURAL - |               |           |         |      |        |
| INCORRECT    |               |           |         |      |        |
| WEAVE SCRIM  |               |           |         |      |        |
| CLOTH        |               |           |         |      |        |
| UTILIZED     |               |           |         |      |        |
| DURING       |               |           |         |      |        |
| BONDING      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Cont    | **F     | **   |        |
| \--          | ET            | ractor**\ | SCM#**\ | FCRI |        |
|              |               | LMMSS     | \--     | T**\ |        |
|              |               |           |         | 3    |        |
+--------------+---------------+-----------+---------+------+--------+
| **HCRIT**\   | **Sys_Lvl**\  | **Misc    |         |      |        |
| \--          | \--           | Codes**\  |         |      |        |
|              |               | A B C D E |         |      |        |
|              |               | F G H I J |         |      |        |
|              |               | K L M N O |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| EIM          | \--           | \--       | \--     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| LRU          | \--           | \--       | \--     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| NCA          | GUIDE RAIL    | 21037-019 | N/A     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | SCHM |        |
|              |               |           |         | IEDE |        |
+--------------+---------------+-----------+---------+------+--------+
| **Test/      | **Prevailing  | **F /     | **Fail  | **   |        |
| Operation**\ | Condtion**\   | U**\      | Mode**\ | Caus |        |
| MI - MFI     | N -           | F         | MS -    | e**\ |        |
|              | INSPECTION    |           | STRUCT  | MA - |        |
|              |               |           |         | MFG  |        |
|              |               |           |         | -ASY |        |
+--------------+---------------+-----------+---------+------+--------+
| **System**\  | **Defect**\   | **Ma      | **Work  | **   |        |
| STRUCTURAL   | \--           | terial**\ | Con     | Fail |        |
|              |               | \--       | tact**\ | Dat  |        |
|              |               |           | D.      | e**\ |        |
|              |               |           | D       | 11   |        |
|              |               |           | ONNELLY | /10/ |        |
|              |               |           |         | 1998 |        |
+--------------+---------------+-----------+---------+------+--------+
| **Received   | **Date        | **FMEA    | **IFA:  | *    |        |
| at MSFC**\   | Isolated**\   | Ref       | Mission | *Mis |        |
| 01/06/1999   | \--           | erence**\ | P       | sion |        |
|              |               | NONE      | hase**\ | Ela  |        |
|              |               |           | \--     | psed |        |
|              |               |           |         | Tim  |        |
|              |               |           |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               | **S       |         | **   |        |
| *Location**\ |               | ymptom**\ |         | Time |        |
| MAF          |               | MS -      |         | Cycl |        |
|              |               | STRUCT    |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               |           |         |      |        |
| *Effectivity |               |           |         |      |        |
| Text**\      |               |           |         |      |        |
| ET 92 - 95,  |               |           |         |      |        |
| 97, 99 AND   |               |           |         |      |        |
| SUBSEQUENT   |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Vehicle    |               |           |         |      |        |
| Effectivity  |               |           |         |      |        |
| Codes**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Vehicle    | **Vehicle     | **Vehicle | **      | *    |        |
| 1**\         | 2**\          | 3**\      | Vehicle | *Veh |        |
| \--          | \--           | \--       | 4**\    | icle |        |
|              |               |           | \--     | 5**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Mission    |               |           |         |      |        |
| Effectivity  |               |           |         |      |        |
| Codes**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Mssn 1**\  | **Mssn 2**\   | **Mssn    | **Mssn  | **   |        |
| \--          | \--           | 3**\      | 4**\    | Mssn |        |
|              |               | \--       | \--     | 5**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Estimated  |               |           |         |      |        |
| Completion   |               |           |         |      |        |
| Dates**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **Contractor  | **LVL 3   | *       |      |        |
| Approved     | Req Defer     | Close**\  | *Remark |      |        |
| Defer Until  | Until Date**\ | \--       | /       |      |        |
| Date**\      | 01/27/1999    |           | Ac      |      |        |
| \--          |               |           | tion**\ |      |        |
|              |               |           | 01/     |      |        |
|              |               |           | 27/1999 |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **I          |               |           |         |      |        |
| nvestigation |               |           |         |      |        |
| / Resolution |               |           |         |      |        |
| Summary**    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Last MSFC  | **CN RSLV     | **Defer   | **Add   | *    |        |
| Update**\    | SBMT**\       | Date**\   | Date**\ | *R/C |        |
| 09/03/1999   | \--           | \--       | 01/     | Code |        |
|              |               |           | 06/1999 | s**\ |        |
|              |               |           |         | \--  |        |
|              |               |           |         | \--  |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Assignee** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| S. SPARKS    | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | J. LUSK       | S. GORUM  | \--     | ject |        |
|              |               |           |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | P.   |        |
|              |               |           |         | CO   |        |
|              |               |           |         | UNTS |        |
+--------------+---------------+-----------+---------+------+--------+
| **Approval** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| S. SPARKS    | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | J. LUSK       | A. ADAMS  | \--     | ject |        |
|              |               |           |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | P.   |        |
|              |               |           |         | CO   |        |
|              |               |           |         | UNTS |        |
+--------------+---------------+-----------+---------+------+--------+
| **PAC        | **PAC Review  | **MSFC    | **St    | *    |        |
| Assignee**\  | Complete**\   | Closure   | atus**\ | *F/A |        |
| R. TUCKER    | \--           | Date**\   | C -     | C    |        |
|              |               | 0         | CLOSED  | ompl |        |
|              |               | 8/31/1999 |         | etio |        |
|              |               |           |         | n**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    | **SEV**\      | **Program | **      | **O  |        |
| Type**\      | \--           | Name**\   | REVL**\ | PRIN |        |
| \--          |               | \--       | \--     | C**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **FUNC       | **Software    | *         |         | **SU | **So   |
| MOD**\       | E             | *Software |         | BTYP | ftware |
| \--          | ffectivity**\ | Fail      |         | E**\ | C      |
|              | \-- \-- \--   | CD**\     |         | \--  | losure |
|              | \-- \--       | \--       |         |      | CD**\  |
|              |               |           |         |      | \--    |
+--------------+---------------+-----------+---------+------+--------+
| **RES PERSON | **Approval    |           |         |      |        |
| L2**\        | Signature     |           |         |      |        |
| \--          | L3**\         |           |         |      |        |
|              | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | N034083       |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| Status       |               |           |         |      |        |
| Summary**    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Reliabi    |               |           |         |      |        |
| lity/Quality |               |           |         |      |        |
| Assurance    |               |           |         |      |        |
| Concerns,    |               |           |         |      |        |
| Recomm       |               |           |         |      |        |
| endations:** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| D            |               |           |         |      |        |
| escription** |               |           |         |      |        |
|              |               |           |         |      |        |
| PROBLEM      |               |           |         |      |        |
|              |               |           |         |      |        |
| ITEM 1:      |               |           |         |      |        |
| VESPEL GUIDE |               |           |         |      |        |
| RAIL STRIP   |               |           |         |      |        |
| SLICKED OFF  |               |           |         |      |        |
| DURING MAF   |               |           |         |      |        |
| SLA          |               |           |         |      |        |
|              |               |           |         |      |        |
| CURING       |               |           |         |      |        |
| PROCESSING   |               |           |         |      |        |
|              |               |           |         |      |        |
| ITEM 2:      |               |           |         |      |        |
| UNAUTHORIZED |               |           |         |      |        |
| USE OF GLASS |               |           |         |      |        |
| FABRIC SCRIM |               |           |         |      |        |
| CLOTH BY THE |               |           |         |      |        |
|              |               |           |         |      |        |
| SUPPLIER     |               |           |         |      |        |
|              |               |           |         |      |        |
| CRITICALITY: |               |           |         |      |        |
| THE FAILURE  |               |           |         |      |        |
| OF A GUIDE   |               |           |         |      |        |
| RAIL         |               |           |         |      |        |
| ASSEMBLY IS  |               |           |         |      |        |
| A            |               |           |         |      |        |
|              |               |           |         |      |        |
| CRITICALITY  |               |           |         |      |        |
| 1, BUT THE   |               |           |         |      |        |
| LOSS OF THE  |               |           |         |      |        |
| RUB-STRIP    |               |           |         |      |        |
| DOES NOT     |               |           |         |      |        |
| CAUSE        |               |           |         |      |        |
|              |               |           |         |      |        |
| FAILURE OF   |               |           |         |      |        |
| THE ENTIRE   |               |           |         |      |        |
| GUIDE RAIL   |               |           |         |      |        |
| AND          |               |           |         |      |        |
| THEREFORE IS |               |           |         |      |        |
| A            |               |           |         |      |        |
|              |               |           |         |      |        |
| CRITICALITY  |               |           |         |      |        |
| 3. REF. FMEA |               |           |         |      |        |
| PARAGRAPHS   |               |           |         |      |        |
| 4.4.20,      |               |           |         |      |        |
| 4.4.23, AND  |               |           |         |      |        |
|              |               |           |         |      |        |
| 4.4.29. THIS |               |           |         |      |        |
| CAPS IS      |               |           |         |      |        |
| GENERATED AT |               |           |         |      |        |
| THE REQUEST  |               |           |         |      |        |
| OF           |               |           |         |      |        |
| MANAGEMENT   |               |           |         |      |        |
|              |               |           |         |      |        |
| TO TRACK     |               |           |         |      |        |
| RECURRENCE   |               |           |         |      |        |
| CONTROL      |               |           |         |      |        |
|              |               |           |         |      |        |
| \*REVISION A |               |           |         |      |        |
| Dated        |               |           |         |      |        |
| 2-2-99 -     |               |           |         |      |        |
| UPDATES AND  |               |           |         |      |        |
| CLOSES ALL   |               |           |         |      |        |
| TASKS        |               |           |         |      |        |
|              |               |           |         |      |        |
| SEE          |               |           |         |      |        |
| ASTERISKS    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| In           |               |           |         |      |        |
| vestigation/ |               |           |         |      |        |
| Resolution** |               |           |         |      |        |
|              |               |           |         |      |        |
| GENERAL:     |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS CAPS    |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| INITIATED AT |               |           |         |      |        |
| M            |               |           |         |      |        |
| ANAGEMENT\'S |               |           |         |      |        |
| REQUEST.     |               |           |         |      |        |
| TRACKING WAS |               |           |         |      |        |
|              |               |           |         |      |        |
| PREVIOUSLY   |               |           |         |      |        |
| ACCOMPLISHED |               |           |         |      |        |
| IN SPECIAL   |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| SI-98-S009   |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| FOLLOWING IS |               |           |         |      |        |
| A SUMMARY OF |               |           |         |      |        |
| ALL ACTIONS  |               |           |         |      |        |
| COMPLETED IN |               |           |         |      |        |
| THE SI       |               |           |         |      |        |
|              |               |           |         |      |        |
| AS OF THE    |               |           |         |      |        |
| INITIATION   |               |           |         |      |        |
| OF THIS      |               |           |         |      |        |
| CAPS. FOR    |               |           |         |      |        |
| COMPLETE     |               |           |         |      |        |
| HISTORY SEE  |               |           |         |      |        |
|              |               |           |         |      |        |
| THE SPECIAL  |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
|              |               |           |         |      |        |
| ITEM 1:      |               |           |         |      |        |
|              |               |           |         |      |        |
| DURING       |               |           |         |      |        |
| PROCESSING   |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| 809          |               |           |         |      |        |
| 21021037-019 |               |           |         |      |        |
| GUIDE RAIL   |               |           |         |      |        |
|              |               |           |         |      |        |
| UP TO THE    |               |           |         |      |        |
| 809          |               |           |         |      |        |
| 71028480-050 |               |           |         |      |        |
| ASSEMBLY     |               |           |         |      |        |
| LEVEL, THE   |               |           |         |      |        |
| VESPEL STRIP |               |           |         |      |        |
|              |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| DISCOVERED   |               |           |         |      |        |
| SEPARATED    |               |           |         |      |        |
| FROM THE     |               |           |         |      |        |
| METAL        |               |           |         |      |        |
| SUBSTRATE.   |               |           |         |      |        |
| THE GUIDE    |               |           |         |      |        |
|              |               |           |         |      |        |
| RAIL         |               |           |         |      |        |
| PROGRESSED   |               |           |         |      |        |
| THROUGH THE  |               |           |         |      |        |
| NORMAL SLA   |               |           |         |      |        |
| APPLICATION  |               |           |         |      |        |
| PROCESS      |               |           |         |      |        |
|              |               |           |         |      |        |
| THROUGH THE  |               |           |         |      |        |
| INITIAL      |               |           |         |      |        |
| ELEVATED     |               |           |         |      |        |
| CURE CYCLE   |               |           |         |      |        |
| AND THE      |               |           |         |      |        |
| FINAL HAND   |               |           |         |      |        |
|              |               |           |         |      |        |
| PACK (PLUG   |               |           |         |      |        |
| PULL) CURE   |               |           |         |      |        |
| CYCLE. UPON  |               |           |         |      |        |
| REMOVAL OF   |               |           |         |      |        |
| THE GUIDE    |               |           |         |      |        |
| RAIL         |               |           |         |      |        |
|              |               |           |         |      |        |
| MOLD, THE    |               |           |         |      |        |
| TECHNICIAN   |               |           |         |      |        |
| FOUND THE    |               |           |         |      |        |
| VESPEL STRIP |               |           |         |      |        |
| LAYING IN    |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| MOLD, NO     |               |           |         |      |        |
| LONGER       |               |           |         |      |        |
| ADHERED TO   |               |           |         |      |        |
| THE AL       |               |           |         |      |        |
| SUBSTRATE OF |               |           |         |      |        |
| THE RAIL     |               |           |         |      |        |
|              |               |           |         |      |        |
| ASSEMBLY     |               |           |         |      |        |
|              |               |           |         |      |        |
| THE VESPEL   |               |           |         |      |        |
| STRIP IS     |               |           |         |      |        |
| BONDED TO    |               |           |         |      |        |
| THE AL       |               |           |         |      |        |
| SUBSTRATE    |               |           |         |      |        |
| PER STPS     |               |           |         |      |        |
| 6001         |               |           |         |      |        |
|              |               |           |         |      |        |
| AND 5013     |               |           |         |      |        |
| USING HYSOL  |               |           |         |      |        |
| EA934NA      |               |           |         |      |        |
| ADHESIVE.    |               |           |         |      |        |
| THERE ARE    |               |           |         |      |        |
| SIX (6)      |               |           |         |      |        |
|              |               |           |         |      |        |
| DIFFERENT    |               |           |         |      |        |
| MAF PART     |               |           |         |      |        |
| NUMBERS      |               |           |         |      |        |
| SUPPLIED BY  |               |           |         |      |        |
| SCHMIEDE     |               |           |         |      |        |
| WITH THIS    |               |           |         |      |        |
|              |               |           |         |      |        |
| ADHESIVE     |               |           |         |      |        |
| BONDING      |               |           |         |      |        |
| PROCESS.     |               |           |         |      |        |
| THREE (3) OF |               |           |         |      |        |
| THESE PARTS  |               |           |         |      |        |
| HAVE SLA     |               |           |         |      |        |
|              |               |           |         |      |        |
| APPLIED      |               |           |         |      |        |
| PRIOR TO     |               |           |         |      |        |
| ASSEMBLY AT  |               |           |         |      |        |
| THE ET       |               |           |         |      |        |
| LEVEL. THE   |               |           |         |      |        |
| SIX (6) PART |               |           |         |      |        |
|              |               |           |         |      |        |
| CO           |               |           |         |      |        |
| NFIGURATIONS |               |           |         |      |        |
| ARE LOCATED  |               |           |         |      |        |
| ALONG THE    |               |           |         |      |        |
| AFT          |               |           |         |      |        |
| CROSSBEAM    |               |           |         |      |        |
| STRUCTURE    |               |           |         |      |        |
|              |               |           |         |      |        |
| AND ARE USED |               |           |         |      |        |
| TO LIMIT     |               |           |         |      |        |
| MOVEMENT TO  |               |           |         |      |        |
| THE GO2 AND  |               |           |         |      |        |
| GH2 PRESS    |               |           |         |      |        |
|              |               |           |         |      |        |
| LINES        |               |           |         |      |        |
|              |               |           |         |      |        |
| ITEM 2:      |               |           |         |      |        |
|              |               |           |         |      |        |
| REVIEW OF    |               |           |         |      |        |
| THE MATERIAL |               |           |         |      |        |
| DATA SHEETS  |               |           |         |      |        |
| FOR THE      |               |           |         |      |        |
| MATERIALS    |               |           |         |      |        |
| USED BY      |               |           |         |      |        |
|              |               |           |         |      |        |
| THE SUPPLIER |               |           |         |      |        |
| IN THE       |               |           |         |      |        |
| M            |               |           |         |      |        |
| ANUFACTURING |               |           |         |      |        |
| OF THESE     |               |           |         |      |        |
| GUIDE RAILS  |               |           |         |      |        |
|              |               |           |         |      |        |
| REVEALED     |               |           |         |      |        |
| THAT THE     |               |           |         |      |        |
| GLASS FABRIC |               |           |         |      |        |
| SCRIM CLOTH  |               |           |         |      |        |
| USED WAS     |               |           |         |      |        |
| STYLE        |               |           |         |      |        |
|              |               |           |         |      |        |
| 1659, FINISH |               |           |         |      |        |
| 271. STP     |               |           |         |      |        |
| 6001         |               |           |         |      |        |
| REQUIRES     |               |           |         |      |        |
| H226A, GLASS |               |           |         |      |        |
| STYLE        |               |           |         |      |        |
|              |               |           |         |      |        |
| 1675, WITH   |               |           |         |      |        |
| I-399 SILANE |               |           |         |      |        |
|              |               |           |         |      |        |
| \*           |               |           |         |      |        |
| BACKGROUND:  |               |           |         |      |        |
|              |               |           |         |      |        |
| REVIEW AND   |               |           |         |      |        |
| TESTING TO   |               |           |         |      |        |
| DETERMINE    |               |           |         |      |        |
| FLIGHT       |               |           |         |      |        |
| IMPACT OF    |               |           |         |      |        |
| POSSIBLE     |               |           |         |      |        |
|              |               |           |         |      |        |
| GUIDE RAIL   |               |           |         |      |        |
| VESPEL STRIP |               |           |         |      |        |
| DEBRIS       |               |           |         |      |        |
| DURING       |               |           |         |      |        |
| FLIGHT, THE  |               |           |         |      |        |
| STRUCTURAL   |               |           |         |      |        |
|              |               |           |         |      |        |
| IMPLICATIONS |               |           |         |      |        |
| OF MISSING   |               |           |         |      |        |
| GUIDE RAIL   |               |           |         |      |        |
| VESPEL       |               |           |         |      |        |
| STRIPS, AND  |               |           |         |      |        |
| STRESS       |               |           |         |      |        |
|              |               |           |         |      |        |
| ANALYSIS OF  |               |           |         |      |        |
| PRESS LINES  |               |           |         |      |        |
| USING        |               |           |         |      |        |
| INCREASED    |               |           |         |      |        |
| DYNAMIC      |               |           |         |      |        |
| LOADS WERE   |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED.   |               |           |         |      |        |
| FROM THIS    |               |           |         |      |        |
| REVIEW,      |               |           |         |      |        |
| RETROFITS    |               |           |         |      |        |
| WERE DONE ON |               |           |         |      |        |
| THE GO2      |               |           |         |      |        |
|              |               |           |         |      |        |
| GUIDE RAILS  |               |           |         |      |        |
| FOR ET-97    |               |           |         |      |        |
| AND ET-99    |               |           |         |      |        |
| WITH         |               |           |         |      |        |
| SECONDARY    |               |           |         |      |        |
| MECHANICAL   |               |           |         |      |        |
|              |               |           |         |      |        |
| FASTENERS.   |               |           |         |      |        |
| THE OTHER    |               |           |         |      |        |
| TWO (2)      |               |           |         |      |        |
| COMPLETE     |               |           |         |      |        |
| GUIDE RAIL   |               |           |         |      |        |
| ASSEMBLIES,  |               |           |         |      |        |
|              |               |           |         |      |        |
| UNDER THE    |               |           |         |      |        |
| AFT CENTER   |               |           |         |      |        |
| CROSSBEAM    |               |           |         |      |        |
| AND ON THE   |               |           |         |      |        |
| GH2 SIDE OF  |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| CROSSBEAM,   |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| ACCEPTED FOR |               |           |         |      |        |
| FLIGHT BASED |               |           |         |      |        |
| ON A RISK    |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
|              |               |           |         |      |        |
| AND          |               |           |         |      |        |
| ACCEPTABLE   |               |           |         |      |        |
| FACTOR OF    |               |           |         |      |        |
| SAFETY. FOR  |               |           |         |      |        |
| COMPLETE     |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
|              |               |           |         |      |        |
| RATIONALE    |               |           |         |      |        |
| INFORMATION  |               |           |         |      |        |
| SEE THE      |               |           |         |      |        |
| FIELD        |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| CHANGES FOR  |               |           |         |      |        |
|              |               |           |         |      |        |
| ET-99 (FEC   |               |           |         |      |        |
| KET-0045)    |               |           |         |      |        |
| AND ET-97    |               |           |         |      |        |
| (FEC         |               |           |         |      |        |
| KET-0044R1), |               |           |         |      |        |
| AND STS-     |               |           |         |      |        |
|              |               |           |         |      |        |
| 88/ET-97 FRR |               |           |         |      |        |
| SPECIAL      |               |           |         |      |        |
| TOPIC        |               |           |         |      |        |
| PRESENTATION |               |           |         |      |        |
|              |               |           |         |      |        |
| A FULL       |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| CHANGE,      |               |           |         |      |        |
| B02050 WAS   |               |           |         |      |        |
| INITIATED,   |               |           |         |      |        |
| REQUIRING    |               |           |         |      |        |
|              |               |           |         |      |        |
| SECONDARY    |               |           |         |      |        |
| MECHANICAL   |               |           |         |      |        |
| FASTENERS ON |               |           |         |      |        |
| THE SIX (6)  |               |           |         |      |        |
| DIFFERENT    |               |           |         |      |        |
| GUIDE        |               |           |         |      |        |
|              |               |           |         |      |        |
| RAIL         |               |           |         |      |        |
| CO           |               |           |         |      |        |
| NFIGURATIONS |               |           |         |      |        |
| USED ON      |               |           |         |      |        |
| ET-104 AND   |               |           |         |      |        |
| UP. ET-103   |               |           |         |      |        |
| HARDWARE     |               |           |         |      |        |
|              |               |           |         |      |        |
| WAS NOT      |               |           |         |      |        |
| COMPLETELY   |               |           |         |      |        |
| STAGED AND   |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| DOCUMENTED   |               |           |         |      |        |
| ON PIECE     |               |           |         |      |        |
| PART         |               |           |         |      |        |
|              |               |           |         |      |        |
| NCDS. ALL    |               |           |         |      |        |
| OTHER PARTS  |               |           |         |      |        |
| BUILT PER    |               |           |         |      |        |
| STP 6001,    |               |           |         |      |        |
| TYPE II      |               |           |         |      |        |
| DIRECT       |               |           |         |      |        |
|              |               |           |         |      |        |
| BONDING TO A |               |           |         |      |        |
| METAL        |               |           |         |      |        |
| SUBSTRATE    |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| REVIEWED FOR |               |           |         |      |        |
| THE PRESENCE |               |           |         |      |        |
|              |               |           |         |      |        |
| OF REDUNDANT |               |           |         |      |        |
| SECONDARY    |               |           |         |      |        |
| FASTENERS.   |               |           |         |      |        |
| ALL THE      |               |           |         |      |        |
| PARTS HAD A  |               |           |         |      |        |
|              |               |           |         |      |        |
| REDUNDANT    |               |           |         |      |        |
| FASTENER     |               |           |         |      |        |
| DESIGN.      |               |           |         |      |        |
| (REF. CCMAIL |               |           |         |      |        |
| FROM B.      |               |           |         |      |        |
| HANSLICK     |               |           |         |      |        |
|              |               |           |         |      |        |
| DATED        |               |           |         |      |        |
| 2-1-99)      |               |           |         |      |        |
|              |               |           |         |      |        |
| A REVIEW OF  |               |           |         |      |        |
| THE SUPPLIER |               |           |         |      |        |
| BUILD PAPER  |               |           |         |      |        |
| DID NOT      |               |           |         |      |        |
| REVEAL ANY   |               |           |         |      |        |
|              |               |           |         |      |        |
| PROCESS      |               |           |         |      |        |
| ITEMS THAT   |               |           |         |      |        |
| COULD BE     |               |           |         |      |        |
| IDENTIFIED   |               |           |         |      |        |
| AS           |               |           |         |      |        |
| DEFINITELY   |               |           |         |      |        |
|              |               |           |         |      |        |
| CONTRIBUTING |               |           |         |      |        |
| TO THIS      |               |           |         |      |        |
| PROBLEM.     |               |           |         |      |        |
| FURTHER      |               |           |         |      |        |
| REVIEW OF    |               |           |         |      |        |
| THE PASA-    |               |           |         |      |        |
|              |               |           |         |      |        |
| JELL         |               |           |         |      |        |
| ETCHANT,     |               |           |         |      |        |
| MMSY912A100  |               |           |         |      |        |
| SUPPLIED BY  |               |           |         |      |        |
| MAF TO THE   |               |           |         |      |        |
| SUPPLIER FOR |               |           |         |      |        |
|              |               |           |         |      |        |
| THE 1997     |               |           |         |      |        |
| M            |               |           |         |      |        |
| ANUFACTURING |               |           |         |      |        |
| LOT REVEALED |               |           |         |      |        |
| THE ETCHANT  |               |           |         |      |        |
| TO BE OVER   |               |           |         |      |        |
|              |               |           |         |      |        |
| THIRTY-FOUR  |               |           |         |      |        |
| (34) MONTHS  |               |           |         |      |        |
| OLD. THE     |               |           |         |      |        |
| LMMSS        |               |           |         |      |        |
| PASA-JELL    |               |           |         |      |        |
|              |               |           |         |      |        |
| SP           |               |           |         |      |        |
| ECIFICATIONS |               |           |         |      |        |
| REQUIRE A 12 |               |           |         |      |        |
| MONTH SHELF  |               |           |         |      |        |
| LIFE AFTER   |               |           |         |      |        |
| REMOVAL      |               |           |         |      |        |
|              |               |           |         |      |        |
| FROM         |               |           |         |      |        |
| STORAGE,     |               |           |         |      |        |
| REGARDLESS   |               |           |         |      |        |
| OF THE AGE   |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| STORED       |               |           |         |      |        |
| MATERIAL     |               |           |         |      |        |
|              |               |           |         |      |        |
| ALSO,        |               |           |         |      |        |
| FURTHER LAB  |               |           |         |      |        |
| ANALYSIS LED |               |           |         |      |        |
| TO THE       |               |           |         |      |        |
| REQUEST FOR  |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| SUPPLIER\'S  |               |           |         |      |        |
| DATA SHEET   |               |           |         |      |        |
| ON THE FIBER |               |           |         |      |        |
| GLASS SCRIM  |               |           |         |      |        |
| CLOTH USED   |               |           |         |      |        |
| IN           |               |           |         |      |        |
|              |               |           |         |      |        |
| THE PROCESS. |               |           |         |      |        |
| THIS LED TO  |               |           |         |      |        |
| THE          |               |           |         |      |        |
| DISCOVERY    |               |           |         |      |        |
| THAT         |               |           |         |      |        |
| SCHMIEDE     |               |           |         |      |        |
| USED         |               |           |         |      |        |
|              |               |           |         |      |        |
| SCRIM CLOTH  |               |           |         |      |        |
| GLASS STYLE  |               |           |         |      |        |
| 1659, FINISH |               |           |         |      |        |
| 271. STP     |               |           |         |      |        |
| 6001         |               |           |         |      |        |
| REQUIRES     |               |           |         |      |        |
|              |               |           |         |      |        |
| H226A, GLASS |               |           |         |      |        |
| STYLE 1675,  |               |           |         |      |        |
| WITH I-399   |               |           |         |      |        |
| SILANE       |               |           |         |      |        |
|              |               |           |         |      |        |
| ALL SIX (6)  |               |           |         |      |        |
| PART         |               |           |         |      |        |
| CO           |               |           |         |      |        |
| NFIGURATIONS |               |           |         |      |        |
| SUPPLIED AND |               |           |         |      |        |
| ASSEMBLED    |               |           |         |      |        |
| WITH         |               |           |         |      |        |
|              |               |           |         |      |        |
| ADHESIVE PER |               |           |         |      |        |
| STP 6001 BY  |               |           |         |      |        |
| SCHMIEDE HAD |               |           |         |      |        |
| NCDS         |               |           |         |      |        |
| INITIATED    |               |           |         |      |        |
| FOR          |               |           |         |      |        |
|              |               |           |         |      |        |
| SUSPECT      |               |           |         |      |        |
| DEBONDING OF |               |           |         |      |        |
| GUIDE RAIL   |               |           |         |      |        |
| RUB-STRIPS   |               |           |         |      |        |
| AND FOR      |               |           |         |      |        |
|              |               |           |         |      |        |
| UNAUTHORIZED |               |           |         |      |        |
| USE OF SCRIM |               |           |         |      |        |
| CLOTH GLASS  |               |           |         |      |        |
| STYLE 1659,  |               |           |         |      |        |
| FINISH 271   |               |           |         |      |        |
|              |               |           |         |      |        |
| (SEE         |               |           |         |      |        |
| ATTACHMENT   |               |           |         |      |        |
| 1.1 OF       |               |           |         |      |        |
| SI-98-S009)  |               |           |         |      |        |
| RELIABILITY  |               |           |         |      |        |
| ASSURANCE    |               |           |         |      |        |
|              |               |           |         |      |        |
| INITIATED    |               |           |         |      |        |
| SCAR(S)      |               |           |         |      |        |
| 98-073 AND   |               |           |         |      |        |
| 98-081,      |               |           |         |      |        |
| WHICH WERE   |               |           |         |      |        |
| ISSUED TO    |               |           |         |      |        |
|              |               |           |         |      |        |
| SCHMIEDE     |               |           |         |      |        |
|              |               |           |         |      |        |
| A REVIEW WAS |               |           |         |      |        |
| CONDUCTED OF |               |           |         |      |        |
| THE SLA      |               |           |         |      |        |
| PROCESSING   |               |           |         |      |        |
| ON THE       |               |           |         |      |        |
|              |               |           |         |      |        |
| 809          |               |           |         |      |        |
| 71028480-050 |               |           |         |      |        |
| ASSEMBLY,    |               |           |         |      |        |
| WHICH IS     |               |           |         |      |        |
| MADE FROM    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| DISCREPANT   |               |           |         |      |        |
|              |               |           |         |      |        |
| 809          |               |           |         |      |        |
| 21021037-019 |               |           |         |      |        |
| GUIDE RAIL.  |               |           |         |      |        |
| NO ITEMS     |               |           |         |      |        |
| COULD BE     |               |           |         |      |        |
| IDENTIFIED   |               |           |         |      |        |
| AS           |               |           |         |      |        |
|              |               |           |         |      |        |
| DEFINITELY   |               |           |         |      |        |
| CONTRIBUTING |               |           |         |      |        |
| TO THIS      |               |           |         |      |        |
| PROBLEM      |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK I       |               |           |         |      |        |
| FAI          |               |           |         |      |        |
| LURE/PROBLEM |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
|              |               |           |         |      |        |
| \*A.         |               |           |         |      |        |
| COMPLETE     |               |           |         |      |        |
| MATERIAL     |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
| FROM         |               |           |         |      |        |
| SI-98-S009   |               |           |         |      |        |
| ACTION       |               |           |         |      |        |
| ITEMS,       |               |           |         |      |        |
|              |               |           |         |      |        |
| INCLUDING    |               |           |         |      |        |
| THE CHEMFILM |               |           |         |      |        |
| TESTING AND  |               |           |         |      |        |
| ANALYSIS,    |               |           |         |      |        |
| AND PRODUCE  |               |           |         |      |        |
|              |               |           |         |      |        |
| WRITTEN LAB  |               |           |         |      |        |
| REPORT       |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| E. PRATZ     |               |           |         |      |        |
| /4643 L.     |               |           |         |      |        |
| RANDO /4643  |               |           |         |      |        |
|              |               |           |         |      |        |
| R. MEYER     |               |           |         |      |        |
| /4640        |               |           |         |      |        |
|              |               |           |         |      |        |
| ECD: 1-12-99 |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE:    |               |           |         |      |        |
| 1-27-99      |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| THE ORIGINAL |               |           |         |      |        |
| RAIL         |               |           |         |      |        |
| FAILURE,     |               |           |         |      |        |
| 8092         |               |           |         |      |        |
| 1021037-019, |               |           |         |      |        |
| THAT         |               |           |         |      |        |
| DEBONDED WAS |               |           |         |      |        |
|              |               |           |         |      |        |
| ANALYZED ON  |               |           |         |      |        |
| LAB 98A311   |               |           |         |      |        |
| WITH OTHER   |               |           |         |      |        |
| GUIDE RAILS, |               |           |         |      |        |
| TESTED AND   |               |           |         |      |        |
|              |               |           |         |      |        |
| ANALYZED ON  |               |           |         |      |        |
| LABS 98A314, |               |           |         |      |        |
| 98A315,      |               |           |         |      |        |
| 98A316,      |               |           |         |      |        |
| 98A317,      |               |           |         |      |        |
| 98A318, AND  |               |           |         |      |        |
|              |               |           |         |      |        |
| 98A319. ALL  |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| COMPLETED IN |               |           |         |      |        |
| THESE JOBS   |               |           |         |      |        |
| WITH         |               |           |         |      |        |
|              |               |           |         |      |        |
| NO           |               |           |         |      |        |
| ANALYTICAL   |               |           |         |      |        |
| RESULT       |               |           |         |      |        |
| REVEALING AN |               |           |         |      |        |
| OBVIOUS      |               |           |         |      |        |
| CAUSE FOR    |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| DEBOND.      |               |           |         |      |        |
| (REF. CCMAIL |               |           |         |      |        |
| FROM E.      |               |           |         |      |        |
| PRATZ DATED  |               |           |         |      |        |
| 1-26-99)     |               |           |         |      |        |
|              |               |           |         |      |        |
| B. OBTAIN A  |               |           |         |      |        |
| SAMPLE OF    |               |           |         |      |        |
| CHEMFILM     |               |           |         |      |        |
| FROM THE     |               |           |         |      |        |
| SUPPLIER FOR |               |           |         |      |        |
| TESTING      |               |           |         |      |        |
|              |               |           |         |      |        |
| IN TASK A    |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| D. BALES     |               |           |         |      |        |
| /3840 W.     |               |           |         |      |        |
| SCHRIEFFIER  |               |           |         |      |        |
| /3810        |               |           |         |      |        |
|              |               |           |         |      |        |
| ECD:         |               |           |         |      |        |
| 12-22-98     |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE:    |               |           |         |      |        |
| 12-27-98     |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| CHEMFILM     |               |           |         |      |        |
| SAMPLE       |               |           |         |      |        |
| OBTAINED AND |               |           |         |      |        |
| SUPPLIED TO  |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TECHNICAL    |               |           |         |      |        |
| LAB          |               |           |         |      |        |
|              |               |           |         |      |        |
| FOR ANALYSIS |               |           |         |      |        |
| REQUIRED IN  |               |           |         |      |        |
| TASK A       |               |           |         |      |        |
|              |               |           |         |      |        |
| \*C. REVIEW  |               |           |         |      |        |
| AND IDENTIFY |               |           |         |      |        |
| OTHER        |               |           |         |      |        |
| USAGE\'S OF  |               |           |         |      |        |
| HYSOL        |               |           |         |      |        |
| EA934NA,     |               |           |         |      |        |
|              |               |           |         |      |        |
| VESPEL,      |               |           |         |      |        |
| PASA-JELL    |               |           |         |      |        |
| ETCHANT, AND |               |           |         |      |        |
| GLASS FABRIC |               |           |         |      |        |
| SCRIM CLOTH  |               |           |         |      |        |
|              |               |           |         |      |        |
| DELIVERED BY |               |           |         |      |        |
| SUPPLIERS ON |               |           |         |      |        |
| THE ETS      |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| G.           |               |           |         |      |        |
| DAUGHDRILL / |               |           |         |      |        |
| 4610 P.      |               |           |         |      |        |
| HINKELDEY /  |               |           |         |      |        |
| 4430         |               |           |         |      |        |
|              |               |           |         |      |        |
| B. HANSLICK  |               |           |         |      |        |
| / 4420 R.    |               |           |         |      |        |
| PONTIFF      |               |           |         |      |        |
| /4400 S.     |               |           |         |      |        |
| PARIKH /3760 |               |           |         |      |        |
|              |               |           |         |      |        |
| ECD: 1-8-99  |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE:    |               |           |         |      |        |
| 1-26-99      |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| ALL PART     |               |           |         |      |        |
| USAGE IS     |               |           |         |      |        |
| IDENTIFIED   |               |           |         |      |        |
| IN THE       |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| PART MANAGER |               |           |         |      |        |
|              |               |           |         |      |        |
| (PM) SYSTEM  |               |           |         |      |        |
|              |               |           |         |      |        |
| \*D. PERFORM |               |           |         |      |        |
| COMPARISON   |               |           |         |      |        |
| STRENGTH     |               |           |         |      |        |
| TESTING ON   |               |           |         |      |        |
| PREPARED     |               |           |         |      |        |
| HYSOL        |               |           |         |      |        |
|              |               |           |         |      |        |
| STRIPS WITH  |               |           |         |      |        |
| CHEMFILM,    |               |           |         |      |        |
| CHEMFILM AND |               |           |         |      |        |
| EPOXY        |               |           |         |      |        |
| PRIMER,      |               |           |         |      |        |
| PLAIN BARE   |               |           |         |      |        |
|              |               |           |         |      |        |
| ALUMINUM AND |               |           |         |      |        |
| VESPEL       |               |           |         |      |        |
| STRIPS       |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| G.           |               |           |         |      |        |
| DAUGHDRILL / |               |           |         |      |        |
| 4610 P.      |               |           |         |      |        |
| HINKELDEY /  |               |           |         |      |        |
| 4430         |               |           |         |      |        |
|              |               |           |         |      |        |
| ECD: 1-12-99 |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE:    |               |           |         |      |        |
| 1-26-99      |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| VESPEL       |               |           |         |      |        |
| STRIPS WERE  |               |           |         |      |        |
| BONDED WITH  |               |           |         |      |        |
| THE          |               |           |         |      |        |
| UNAPPROVED   |               |           |         |      |        |
| SCRIM CLOTH, |               |           |         |      |        |
|              |               |           |         |      |        |
| (GLASS STYLE |               |           |         |      |        |
| 1659, FINISH |               |           |         |      |        |
| 271) USED BY |               |           |         |      |        |
| SCHMIEDE AND |               |           |         |      |        |
| WERE         |               |           |         |      |        |
|              |               |           |         |      |        |
| CYCLED THREE |               |           |         |      |        |
| (3) TIMES TO |               |           |         |      |        |
| +350F WITH   |               |           |         |      |        |
| NO DEBONDS.  |               |           |         |      |        |
| (REF         |               |           |         |      |        |
|              |               |           |         |      |        |
| CCMAIL FROM  |               |           |         |      |        |
| G.           |               |           |         |      |        |
| DAUGHDRILL   |               |           |         |      |        |
| DATED        |               |           |         |      |        |
| 1-26-99)     |               |           |         |      |        |
|              |               |           |         |      |        |
| \*E. PERFORM |               |           |         |      |        |
| COMPARISON   |               |           |         |      |        |
| STRENGTH     |               |           |         |      |        |
| TESTING,     |               |           |         |      |        |
| (COMBINED    |               |           |         |      |        |
| WITH TASK    |               |           |         |      |        |
|              |               |           |         |      |        |
| D), USING    |               |           |         |      |        |
| STP 6001     |               |           |         |      |        |
| REQUIRED     |               |           |         |      |        |
| SCRIM CLOTH  |               |           |         |      |        |
| H226A, GLASS |               |           |         |      |        |
| STYLE        |               |           |         |      |        |
|              |               |           |         |      |        |
| 1675, WITH   |               |           |         |      |        |
| I-399 SILANE |               |           |         |      |        |
| AGAINST      |               |           |         |      |        |
| GLASS STYLE  |               |           |         |      |        |
| 1659, FINISH |               |           |         |      |        |
| 271          |               |           |         |      |        |
|              |               |           |         |      |        |
| USED BY THE  |               |           |         |      |        |
| SUPPLIER     |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| G.           |               |           |         |      |        |
| DAUGHDRILL / |               |           |         |      |        |
| 4610 P.      |               |           |         |      |        |
| HINKELDEY /  |               |           |         |      |        |
| 4430         |               |           |         |      |        |
|              |               |           |         |      |        |
| ECD: 1-12-99 |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE:    |               |           |         |      |        |
| 1-26-99      |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| THE LAP      |               |           |         |      |        |
| SHEAR DATA   |               |           |         |      |        |
| SUMMARY      |               |           |         |      |        |
| RESULTS      |               |           |         |      |        |
| IDENTIFY THE |               |           |         |      |        |
| SCRIM CLOTH  |               |           |         |      |        |
|              |               |           |         |      |        |
| GLASS STYLE  |               |           |         |      |        |
| 1659, FINISH |               |           |         |      |        |
| 271 USED BY  |               |           |         |      |        |
| SCHMIEDE AS  |               |           |         |      |        |
| WEAKER AT    |               |           |         |      |        |
|              |               |           |         |      |        |
| BOTH ROOM    |               |           |         |      |        |
| TEMPERATURE, |               |           |         |      |        |
| (A           |               |           |         |      |        |
| PPROXIMATELY |               |           |         |      |        |
| 15%) AND AT  |               |           |         |      |        |
| +350F,       |               |           |         |      |        |
|              |               |           |         |      |        |
| (A           |               |           |         |      |        |
| PPROXIMATELY |               |           |         |      |        |
| 5%), BUT     |               |           |         |      |        |
| NOTHING      |               |           |         |      |        |
| POINTS TO    |               |           |         |      |        |
| THE CLOTH    |               |           |         |      |        |
| CAUSING      |               |           |         |      |        |
|              |               |           |         |      |        |
| THE ORIGINAL |               |           |         |      |        |
| SLICK OFF    |               |           |         |      |        |
| TYPE DEBOND. |               |           |         |      |        |
| (REF. CCMAIL |               |           |         |      |        |
| FROM G       |               |           |         |      |        |
|              |               |           |         |      |        |
| DAUGHDRILL   |               |           |         |      |        |
| DATED        |               |           |         |      |        |
| 1-26-99)     |               |           |         |      |        |
|              |               |           |         |      |        |
| \*F.         |               |           |         |      |        |
| INVESTIGATE  |               |           |         |      |        |
| MAF SUPPLIER |               |           |         |      |        |
| FIRST        |               |           |         |      |        |
| ARTICLE      |               |           |         |      |        |
| APPROVAL     |               |           |         |      |        |
| PROCESS      |               |           |         |      |        |
|              |               |           |         |      |        |
| AGAINST      |               |           |         |      |        |
| SCHMIEDE\'S  |               |           |         |      |        |
| UNAUTHORIZED |               |           |         |      |        |
| USE OF SCRIM |               |           |         |      |        |
| CLOTH FOR    |               |           |         |      |        |
|              |               |           |         |      |        |
| POSSIBLE     |               |           |         |      |        |
| ENHANCEMENTS |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| C. PEMBO /   |               |           |         |      |        |
| 3761 S.      |               |           |         |      |        |
| PARIKH /     |               |           |         |      |        |
| 3760         |               |           |         |      |        |
|              |               |           |         |      |        |
| ECD: 1-12-99 |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE:    |               |           |         |      |        |
| 1-6-99       |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| PROCUREMENT  |               |           |         |      |        |
| QUALITY      |               |           |         |      |        |
| CONTROL HAS  |               |           |         |      |        |
| ENHANCED THE |               |           |         |      |        |
| FIRST        |               |           |         |      |        |
| ARTICLE      |               |           |         |      |        |
|              |               |           |         |      |        |
| VERIFICATION |               |           |         |      |        |
| AND          |               |           |         |      |        |
| VALIDATION   |               |           |         |      |        |
| PROCESSES IN |               |           |         |      |        |
| SEVERAL      |               |           |         |      |        |
| WAYS,        |               |           |         |      |        |
|              |               |           |         |      |        |
| INCLUDING    |               |           |         |      |        |
| THE PQC      |               |           |         |      |        |
| FIELD        |               |           |         |      |        |
| RE           |               |           |         |      |        |
| PRESENTATIVE |               |           |         |      |        |
| OBTAINING    |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| APPLICABLE   |               |           |         |      |        |
| MATERIAL     |               |           |         |      |        |
| S            |               |           |         |      |        |
| PECIFICATION |               |           |         |      |        |
| CODE CONTROL |               |           |         |      |        |
| SHEET, ETC   |               |           |         |      |        |
|              |               |           |         |      |        |
| FOR REVIEW   |               |           |         |      |        |
| OF           |               |           |         |      |        |
| R            |               |           |         |      |        |
| EQUIREMENTS. |               |           |         |      |        |
| REF. CCMAIL  |               |           |         |      |        |
| FROM S.      |               |           |         |      |        |
| PARIKH DATED |               |           |         |      |        |
|              |               |           |         |      |        |
| 1-6-99       |               |           |         |      |        |
|              |               |           |         |      |        |
| \*G.         |               |           |         |      |        |
| INVESTIGATE  |               |           |         |      |        |
| FLOW DOWN OF |               |           |         |      |        |
| MATERIAL     |               |           |         |      |        |
| REQUIREMENTS |               |           |         |      |        |
| FROM         |               |           |         |      |        |
|              |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| PROCESS      |               |           |         |      |        |
| SP           |               |           |         |      |        |
| ECIFICATIONS |               |           |         |      |        |
| (STPS, ETC.) |               |           |         |      |        |
| THAT REQUIRE |               |           |         |      |        |
|              |               |           |         |      |        |
| COMMERCIAL   |               |           |         |      |        |
| PRODUCTS     |               |           |         |      |        |
| WITH         |               |           |         |      |        |
| SPECIFIC     |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| REQUIREMENTS |               |           |         |      |        |
|              |               |           |         |      |        |
| EXAMPLES STP |               |           |         |      |        |
| 6001         |               |           |         |      |        |
| REQUIRES:    |               |           |         |      |        |
|              |               |           |         |      |        |
| GLASS FABRIC |               |           |         |      |        |
| (SCRIM       |               |           |         |      |        |
| CLOTH);      |               |           |         |      |        |
| SPEC:        |               |           |         |      |        |
| COMMERCIAL;  |               |           |         |      |        |
| CODE: H226A  |               |           |         |      |        |
|              |               |           |         |      |        |
| ADHESION     |               |           |         |      |        |
| PROMOTER     |               |           |         |      |        |
| (DOW CORNING |               |           |         |      |        |
| Z-6040);     |               |           |         |      |        |
| SPEC:        |               |           |         |      |        |
| COMMERCIAL;  |               |           |         |      |        |
|              |               |           |         |      |        |
| CODE: K329A  |               |           |         |      |        |
|              |               |           |         |      |        |
| SOLVENT      |               |           |         |      |        |
| METHYL ETHYL |               |           |         |      |        |
| KETONE       |               |           |         |      |        |
| (MEK); SPEC: |               |           |         |      |        |
| ASTM D740;   |               |           |         |      |        |
| CODE:        |               |           |         |      |        |
|              |               |           |         |      |        |
| K527A        |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| P. HINKELDEY |               |           |         |      |        |
| / 4430       |               |           |         |      |        |
|              |               |           |         |      |        |
| ECD: 1-12-99 |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE:    |               |           |         |      |        |
| 1-26-99      |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| FLOW DOWN OF |               |           |         |      |        |
| MATERIAL     |               |           |         |      |        |
| REQUIREMENTS |               |           |         |      |        |
| TO SUPPLIERS |               |           |         |      |        |
| IS           |               |           |         |      |        |
|              |               |           |         |      |        |
| ACCOMPLISHED |               |           |         |      |        |
| WHEN THE STP |               |           |         |      |        |
| IS INCLUDED  |               |           |         |      |        |
| IN THE       |               |           |         |      |        |
| SUPPLIER\'S  |               |           |         |      |        |
|              |               |           |         |      |        |
| CONTRACT.    |               |           |         |      |        |
| THE SUPPLIER |               |           |         |      |        |
| THEN REVIEWS |               |           |         |      |        |
| THE STP TO   |               |           |         |      |        |
| IDENTIFY ALL |               |           |         |      |        |
|              |               |           |         |      |        |
| THE REQUIRED |               |           |         |      |        |
| MATERIALS IN |               |           |         |      |        |
| THE APPROVED |               |           |         |      |        |
| MATERIALS    |               |           |         |      |        |
| LIST (CODE   |               |           |         |      |        |
|              |               |           |         |      |        |
| SHEETS) THEY |               |           |         |      |        |
| WILL NEED TO |               |           |         |      |        |
| PRODUCE THE  |               |           |         |      |        |
| SPECIFIC     |               |           |         |      |        |
| HARDWARE     |               |           |         |      |        |
|              |               |           |         |      |        |
| SUPPLIERS    |               |           |         |      |        |
| THEN CONTACT |               |           |         |      |        |
| LOCKHEED     |               |           |         |      |        |
| MARTIN FOR   |               |           |         |      |        |
| THE CODE     |               |           |         |      |        |
| SHEETS       |               |           |         |      |        |
|              |               |           |         |      |        |
| REQUIRED TO  |               |           |         |      |        |
| DETERMINE    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| MATERIAL,    |               |           |         |      |        |
| WHERE TO BUY |               |           |         |      |        |
| IT, AND      |               |           |         |      |        |
|              |               |           |         |      |        |
| OTHER        |               |           |         |      |        |
| INFORMATION  |               |           |         |      |        |
| (SUCH AS     |               |           |         |      |        |
| SHELF LIFE   |               |           |         |      |        |
| R            |               |           |         |      |        |
| EQUIREMENTS) |               |           |         |      |        |
| THAT ARE     |               |           |         |      |        |
|              |               |           |         |      |        |
| NOT          |               |           |         |      |        |
| SPECIFIED IN |               |           |         |      |        |
| THE STP.     |               |           |         |      |        |
| (REF. CCMAIL |               |           |         |      |        |
| FROM M.      |               |           |         |      |        |
| GERKEN DATED |               |           |         |      |        |
|              |               |           |         |      |        |
| 1-26-99)     |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| PROCUREMENT  |               |           |         |      |        |
| QUALITY      |               |           |         |      |        |
| FIELD        |               |           |         |      |        |
| REP          |               |           |         |      |        |
| RESENTATIVES |               |           |         |      |        |
| WERE TRAINED |               |           |         |      |        |
| IN           |               |           |         |      |        |
|              |               |           |         |      |        |
| A LESSONS    |               |           |         |      |        |
| LEARNED      |               |           |         |      |        |
| CONFERENCE   |               |           |         |      |        |
| ON 1-6-99 TO |               |           |         |      |        |
| REVIEW       |               |           |         |      |        |
| SUPPLIER     |               |           |         |      |        |
|              |               |           |         |      |        |
| D            |               |           |         |      |        |
| OCUMENTATION |               |           |         |      |        |
| AT THE TIME  |               |           |         |      |        |
| OF DAS       |               |           |         |      |        |
| SUBMITTAL,   |               |           |         |      |        |
| M            |               |           |         |      |        |
| ANUFACTURING |               |           |         |      |        |
|              |               |           |         |      |        |
| PLAN REVIEW, |               |           |         |      |        |
| FIRST        |               |           |         |      |        |
| ARTICLE      |               |           |         |      |        |
| PRODUCTION   |               |           |         |      |        |
| AND PRIOR TO |               |           |         |      |        |
| FINAL        |               |           |         |      |        |
|              |               |           |         |      |        |
| BUYOFF TO    |               |           |         |      |        |
| ENSURE       |               |           |         |      |        |
| COMPLIANCE   |               |           |         |      |        |
| TO           |               |           |         |      |        |
| R            |               |           |         |      |        |
| EQUIREMENTS. |               |           |         |      |        |
| (REF. CCMAIL |               |           |         |      |        |
|              |               |           |         |      |        |
| FROM C.      |               |           |         |      |        |
| PEMBO DATED  |               |           |         |      |        |
| 1-26-99)     |               |           |         |      |        |
|              |               |           |         |      |        |
| \*H. SUBMIT  |               |           |         |      |        |
| MATERIAL     |               |           |         |      |        |
| USAGE        |               |           |         |      |        |
| AGREEMENT    |               |           |         |      |        |
| (MUA) FOR    |               |           |         |      |        |
| THE USE OF   |               |           |         |      |        |
|              |               |           |         |      |        |
| SCRIM CLOTH  |               |           |         |      |        |
| GLASS STYLE  |               |           |         |      |        |
| 1659, FINISH |               |           |         |      |        |
| 271          |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| G.           |               |           |         |      |        |
| DAUGHDRILL / |               |           |         |      |        |
| 4610 P.      |               |           |         |      |        |
| HINKELDEY /  |               |           |         |      |        |
| 4430         |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE:    |               |           |         |      |        |
| 1-7-99       |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| LIMITED      |               |           |         |      |        |
| USAGE MUA    |               |           |         |      |        |
| ET-0413 WAS  |               |           |         |      |        |
| SUBMITTED    |               |           |         |      |        |
| AND APPROVED |               |           |         |      |        |
| BY MSFC      |               |           |         |      |        |
|              |               |           |         |      |        |
| TO ALLOW     |               |           |         |      |        |
| USAGE OF     |               |           |         |      |        |
| SCRIM CLOTH  |               |           |         |      |        |
| GLASS STYLE  |               |           |         |      |        |
| 1659, FINISH |               |           |         |      |        |
| 271          |               |           |         |      |        |
|              |               |           |         |      |        |
| \*CAUSE      |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| IDENTIFIED   |               |           |         |      |        |
| THAT NO ONE  |               |           |         |      |        |
| PARTICULAR   |               |           |         |      |        |
| ITEM         |               |           |         |      |        |
|              |               |           |         |      |        |
| CAUSED THE   |               |           |         |      |        |
| DEBOND       |               |           |         |      |        |
| FAILURE OF   |               |           |         |      |        |
| THE          |               |           |         |      |        |
| RUB-STRIP    |               |           |         |      |        |
| FROM THE     |               |           |         |      |        |
| GUIDE        |               |           |         |      |        |
|              |               |           |         |      |        |
| RAIL. A      |               |           |         |      |        |
| COMBINATION  |               |           |         |      |        |
| OF DIFFERENT |               |           |         |      |        |
| PROCESS      |               |           |         |      |        |
| FACTORS,     |               |           |         |      |        |
| PROCESS      |               |           |         |      |        |
|              |               |           |         |      |        |
| VARIABILITY, |               |           |         |      |        |
| INCORRECT    |               |           |         |      |        |
| SCRIM CLOTH, |               |           |         |      |        |
| AGED         |               |           |         |      |        |
| ETCHANT,     |               |           |         |      |        |
| ETC. MAY     |               |           |         |      |        |
|              |               |           |         |      |        |
| HAVE         |               |           |         |      |        |
| PRODUCED THE |               |           |         |      |        |
| ONE DEBOND   |               |           |         |      |        |
| FAILURE SEEN |               |           |         |      |        |
| TO DATE      |               |           |         |      |        |
|              |               |           |         |      |        |
| \*TASK II    |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTION       |               |           |         |      |        |
|              |               |           |         |      |        |
| THE DESIGN   |               |           |         |      |        |
| HAS BEEN     |               |           |         |      |        |
| REVISED WITH |               |           |         |      |        |
| THE ADDITION |               |           |         |      |        |
| OF           |               |           |         |      |        |
| MECHANICAL   |               |           |         |      |        |
|              |               |           |         |      |        |
| FASTENERS,   |               |           |         |      |        |
| RIVETS, AS A |               |           |         |      |        |
| REDUNDANT    |               |           |         |      |        |
| METHOD OF    |               |           |         |      |        |
| FASTENING    |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| RUB-STRIPS.  |               |           |         |      |        |
| ADHESIVE     |               |           |         |      |        |
| FASTENING IS |               |           |         |      |        |
| STILL        |               |           |         |      |        |
| NECESSARY    |               |           |         |      |        |
| FOR          |               |           |         |      |        |
|              |               |           |         |      |        |
| MACHINING    |               |           |         |      |        |
| THE RADIUS   |               |           |         |      |        |
| ON THE       |               |           |         |      |        |
| RUB-STRIPS.  |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| CHANGE       |               |           |         |      |        |
|              |               |           |         |      |        |
| B02050,      |               |           |         |      |        |
| PRESS LINE   |               |           |         |      |        |
| GUIDE RAIL   |               |           |         |      |        |
| RUB-STRIP    |               |           |         |      |        |
| MODIFICATION |               |           |         |      |        |
| HAS BEEN     |               |           |         |      |        |
|              |               |           |         |      |        |
| APPROVED TO  |               |           |         |      |        |
| REVISE THE   |               |           |         |      |        |
| DESIGN FOR   |               |           |         |      |        |
| ET-92 THRU   |               |           |         |      |        |
| ET-95 AND    |               |           |         |      |        |
| ET-104       |               |           |         |      |        |
|              |               |           |         |      |        |
| & UP. REWORK |               |           |         |      |        |
| DCN\'S WERE  |               |           |         |      |        |
| RELEASED TO  |               |           |         |      |        |
| REWORK       |               |           |         |      |        |
| EXISTING     |               |           |         |      |        |
| PARTS        |               |           |         |      |        |
|              |               |           |         |      |        |
| (REF. CCMAIL |               |           |         |      |        |
| FROM A.      |               |           |         |      |        |
| LISTEMAA     |               |           |         |      |        |
| DATED        |               |           |         |      |        |
| 1-27-99)     |               |           |         |      |        |
|              |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| RELEASED A   |               |           |         |      |        |
| LIMITED      |               |           |         |      |        |
| USAGE        |               |           |         |      |        |
| MATERIAL     |               |           |         |      |        |
| USAGE        |               |           |         |      |        |
| AGREEMENT    |               |           |         |      |        |
|              |               |           |         |      |        |
| (MUA),       |               |           |         |      |        |
| ET-0413, ON  |               |           |         |      |        |
| THE SCRIM    |               |           |         |      |        |
| CLOTH, GLASS |               |           |         |      |        |
| STYLE 1659,  |               |           |         |      |        |
| FINISH       |               |           |         |      |        |
|              |               |           |         |      |        |
| 271 ALLOWING |               |           |         |      |        |
| USE OF THIS  |               |           |         |      |        |
| SCRIM CLOTH  |               |           |         |      |        |
| THROUGH      |               |           |         |      |        |
| ET-120       |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| PASA-JELL    |               |           |         |      |        |
| ETCHANT      |               |           |         |      |        |
| SHELF LIFE   |               |           |         |      |        |
| WAS REVISED  |               |           |         |      |        |
| PER          |               |           |         |      |        |
| SI-98-S009   |               |           |         |      |        |
|              |               |           |         |      |        |
| ACTION #16,  |               |           |         |      |        |
| CHANGE       |               |           |         |      |        |
| H36809-146   |               |           |         |      |        |
|              |               |           |         |      |        |
| \*TASK III   |               |           |         |      |        |
| CLEARANCE OF |               |           |         |      |        |
| E            |               |           |         |      |        |
| FFECTIVITIES |               |           |         |      |        |
|              |               |           |         |      |        |
| ET CLEARANCE |               |           |         |      |        |
| DOC.         |               |           |         |      |        |
| (DEBONDING)  |               |           |         |      |        |
|              |               |           |         |      |        |
| ET-97 FEC    |               |           |         |      |        |
| KET-0044R1 & |               |           |         |      |        |
|              |               |           |         |      |        |
| FRR SPECIAL  |               |           |         |      |        |
| PRESENTATION |               |           |         |      |        |
|              |               |           |         |      |        |
| ET-99 FEC    |               |           |         |      |        |
| KET-0045 &   |               |           |         |      |        |
|              |               |           |         |      |        |
| FRR SPECIAL  |               |           |         |      |        |
| PRESENTATION |               |           |         |      |        |
|              |               |           |         |      |        |
| ET-100 NCD   |               |           |         |      |        |
| N037752      |               |           |         |      |        |
|              |               |           |         |      |        |
| ET-101 NCD   |               |           |         |      |        |
| N037751      |               |           |         |      |        |
|              |               |           |         |      |        |
| ET-102 NCD   |               |           |         |      |        |
| N037721      |               |           |         |      |        |
|              |               |           |         |      |        |
| ET-103 NCDS  |               |           |         |      |        |
| N033793,     |               |           |         |      |        |
|              |               |           |         |      |        |
| N039757,     |               |           |         |      |        |
|              |               |           |         |      |        |
| N039775,     |               |           |         |      |        |
|              |               |           |         |      |        |
| N039776,     |               |           |         |      |        |
|              |               |           |         |      |        |
| N038801      |               |           |         |      |        |
|              |               |           |         |      |        |
| ET- 92 THRU  |               |           |         |      |        |
| 95 &         |               |           |         |      |        |
|              |               |           |         |      |        |
| ET-104 & UP  |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| CHANGE       |               |           |         |      |        |
| B02050       |               |           |         |      |        |
|              |               |           |         |      |        |
| \*TASK IV    |               |           |         |      |        |
| CAPS CLOSURE |               |           |         |      |        |
| SUMMARY      |               |           |         |      |        |
|              |               |           |         |      |        |
| AN           |               |           |         |      |        |
| 809          |               |           |         |      |        |
| 21021037-019 |               |           |         |      |        |
| GUIDE RAIL   |               |           |         |      |        |
| RUB-STRIP    |               |           |         |      |        |
| DEBONDED     |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
|              |               |           |         |      |        |
| SLA CURING   |               |           |         |      |        |
| PROCESS AT   |               |           |         |      |        |
| MAF. DURING  |               |           |         |      |        |
| THE FAILURE  |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
|              |               |           |         |      |        |
| IT WAS ALSO  |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| THE SUPPLIER |               |           |         |      |        |
| USED THE     |               |           |         |      |        |
| INCORRECT    |               |           |         |      |        |
| SCRIM        |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOTH GLASS  |               |           |         |      |        |
| STYLE 1659,  |               |           |         |      |        |
| FINISH 271   |               |           |         |      |        |
| INSTEAD OF   |               |           |         |      |        |
| THE REQUIRED |               |           |         |      |        |
|              |               |           |         |      |        |
| H226A, GLASS |               |           |         |      |        |
| STYLE 1675,  |               |           |         |      |        |
| WITH I-399   |               |           |         |      |        |
| SILANE       |               |           |         |      |        |
|              |               |           |         |      |        |
| LABORATORY   |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| AND TESTING  |               |           |         |      |        |
| PROVIDED NO  |               |           |         |      |        |
|              |               |           |         |      |        |
| ANALYTICAL   |               |           |         |      |        |
| RESULT       |               |           |         |      |        |
| REVEALING AN |               |           |         |      |        |
| OBVIOUS      |               |           |         |      |        |
| ROUTE TO     |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
|              |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTION       |               |           |         |      |        |
| INCLUDED:    |               |           |         |      |        |
|              |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| CHANGE       |               |           |         |      |        |
| B02050 ADDED |               |           |         |      |        |
| SECONDARY    |               |           |         |      |        |
| MECHANICAL   |               |           |         |      |        |
|              |               |           |         |      |        |
| FASTENERS,   |               |           |         |      |        |
| RIVETS, TO   |               |           |         |      |        |
| SECURE THE   |               |           |         |      |        |
| RUB-STRIPS   |               |           |         |      |        |
| TO THE GUIDE |               |           |         |      |        |
|              |               |           |         |      |        |
| RAILS,       |               |           |         |      |        |
| REMOVING THE |               |           |         |      |        |
| POSSIBILITY  |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| RUB-STRIP    |               |           |         |      |        |
| SEPARATION   |               |           |         |      |        |
|              |               |           |         |      |        |
| FROM THE     |               |           |         |      |        |
| GUIDE RAIL   |               |           |         |      |        |
|              |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| RELEASED     |               |           |         |      |        |
| MATERIAL     |               |           |         |      |        |
| USAGE        |               |           |         |      |        |
| AGREEMENT    |               |           |         |      |        |
| ET-0413      |               |           |         |      |        |
|              |               |           |         |      |        |
| ALLOWING USE |               |           |         |      |        |
| OF SCRIM     |               |           |         |      |        |
| CLOTH, GLASS |               |           |         |      |        |
| STYLE 1659,  |               |           |         |      |        |
| FINISH 271   |               |           |         |      |        |
| AND          |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| PASA-JELL    |               |           |         |      |        |
| ETCHANT      |               |           |         |      |        |
| SHELF LIFE   |               |           |         |      |        |
| WAS REVISED  |               |           |         |      |        |
| TO 12 MONTHS |               |           |         |      |        |
| PER          |               |           |         |      |        |
|              |               |           |         |      |        |
| H36809-146   |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS CAPS IS |               |           |         |      |        |
| CLOSED. NO   |               |           |         |      |        |
| FURTHER      |               |           |         |      |        |
| ACTION IS    |               |           |         |      |        |
| REQUIRED     |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       |               |           |         |      |        |
| Response/C   |               |           |         |      |        |
| oncurrence** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+

  -----------------------------------------------------------------------
  MSFC Problem Reporting and Corrective Action (PRACA) System

  ASSESSMENT ADDENDUM REPORT
  -----------------------------------------------------------------------

  ---------------- ----------------- ---------------- ----------- ----------- ------------
  **MSFC           **IFA#**\         **Contractor     **JSC#**\   **KSC#**\   **EICN#**\
  Report#**\       \--               RPT#**\          \--         \--         \--
  A17356                             S-081                                    

  **Asmnt Part#**\ **Asmnt Part      **Asmnt                                  
  80921021037      Name**\           Serial/Lot#**\                           
                   GUIDE RAIL        \--                                      

  **HCRIT CD**\    **FCRIT CD**\     **CAUSE CD**\    **FAIL                  
  \--              3                 MA - MFG-ASY     MODE**\                 
                                                      \--                     

  **Asmnt FMEA**\  **Asmnt FM**\     **FMEA CSE**\    **FMEA                  
  \--              \--               \--              SCSE**\                 
                                                      \--                     

  **Asmnt FMEA**\  **Asmnt FM**\     **FMEA CSE**\    **FMEA                  
  \--              \--               \--              SCSE**\                 
                                                      \--                     

  **Asmnt FMEA**\  **Asmnt FM**\     **FMEA CSE**\    **FMEA                  
  \--              \--               \--              SCSE**\                 
                                                      \--                     

  **Correlated     **Correlated      **Correlated                             
  Part#**\         Part#**\          Part#**\                                 
  \--              \--               \--                                      

  **Associated     **Associated      **Associated                             
  LRU#**\          LRU#**\           LRU#**\                                  
  \--              \--               \--                                      

  **MAJOR DESIGN                                                              
  CHANGES**                                                                   

  **APRV DATE**\   **DESCRIPTION OF                                           
  \--              CHANGES**\                                                 
                   \--                                                        

  **ASSESSMENT                                                                
  TEXT**                                                                      
  ---------------- ----------------- ---------------- ----------- ----------- ------------