-----------------------------------------------------------------------
  **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 |        |
| A16519       | Number**\     | Report    | \--     | #**\ |        |
|              | \--           | Number**\ |         | \--  |        |
|              |               | P-077A    |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| LH2 SIPHON   |               |           |         |      |        |
| COVER JOINT  |               |           |         |      |        |
| LEAK         |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Cont    | **F     | **   |        |
| \--          | ET            | ractor**\ | SCM#**\ | FCRI |        |
|              |               | MMMSS     | \--     | T**\ |        |
|              |               |           |         | 1    |        |
+--------------+---------------+-----------+---------+------+--------+
| **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          | ET COMPLETE   | 809010    | ET-80   | UFAC |        |
|              |               | 06000-059 |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | L    |        |
|              |               |           |         | MMSS |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| LRU          | \--           | \--       | \--     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| NCA          | NAFLEX SEAL   | 55L11-7T  | 835     | UFAC |        |
|              |               |           | 4900855 | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | LAN  |        |
|              |               |           |         | GLEY |        |
+--------------+---------------+-----------+---------+------+--------+
| **Test/      | **Prevailing  | **F /     | **Fail  | **   |        |
| Operation**\ | Condtion**\   | U**\      | Mode**\ | Caus |        |
| LF - FDF     | F -           | F         | MV -    | e**\ |        |
|              | FUNCTIONAL    |           | EXT     | M    |        |
|              |               |           | LEAK    | AT - |        |
|              |               |           |         | MFG- |        |
|              |               |           |         | ASY- |        |
|              |               |           |         | EQUP |        |
+--------------+---------------+-----------+---------+------+--------+
| **System**\  | **Defect**\   | **Ma      | **Work  | **   |        |
| PROPULSION   | DA - ROUGH    | terial**\ | Con     | Fail |        |
|              |               | P - SEAL  | tact**\ | Dat  |        |
|              |               |           | DAVE    | e**\ |        |
|              |               |           | O\`NEAL | 05   |        |
|              |               |           |         | /05/ |        |
|              |               |           |         | 1995 |        |
+--------------+---------------+-----------+---------+------+--------+
| **Received   | **Date        | **FMEA    | **IFA:  | *    |        |
| at MSFC**\   | Isolated**\   | Ref       | Mission | *Mis |        |
| 06/09/1995   | 05/09/1995    | erence**\ | P       | sion |        |
|              |               | 2.10.6.1  | hase**\ | Ela  |        |
|              |               |           | \--     | psed |        |
|              |               |           |         | Tim  |        |
|              |               |           |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               | **S       |         | **   |        |
| *Location**\ |               | ymptom**\ |         | Time |        |
| \--          |               | MV - EXT  |         | Cycl |        |
|              |               | LEAK      |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               |           |         |      |        |
| *Effectivity |               |           |         |      |        |
| Text**\      |               |           |         |      |        |
| ET-80        |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **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**\      | \--           |           | Ac      |      |        |
| \--          |               |           | tion**\ |      |        |
|              |               |           | \--     |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **I          |               |           |         |      |        |
| nvestigation |               |           |         |      |        |
| / Resolution |               |           |         |      |        |
| Summary**    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Last MSFC  | **CN RSLV     | **Defer   | **Add   | *    |        |
| Update**\    | SBMT**\       | Date**\   | Date**\ | *R/C |        |
| 02/15/2001   | \--           | \--       | 06/     | Code |        |
|              |               |           | 09/1995 | s**\ |        |
|              |               |           |         | 0 -  |        |
|              |               |           |         | EXPL |        |
|              |               |           |         | \--  |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Assignee** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| \--          | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | \--           | \--       | \--     | ject |        |
|              |               |           |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Approval** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| \--          | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | \--           | \--       | \--     | ject |        |
|              |               |           |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **PAC        | **PAC Review  | **MSFC    | **St    | *    |        |
| Assignee**\  | Complete**\   | Closure   | atus**\ | *F/A |        |
| J. NELSON    | JN            | Date**\   | E -     | C    |        |
|              |               | 0         | C       | ompl |        |
|              |               | 6/09/1995 | LOSED-E | etio |        |
|              |               |           |         | n**\ |        |
|              |               |           |         | 05   |        |
|              |               |           |         | /09/ |        |
|              |               |           |         | 1995 |        |
+--------------+---------------+-----------+---------+------+--------+
| **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**\         |           |         |      |        |
| \--          | N005973       |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **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** |               |           |         |      |        |
|              |               |           |         |      |        |
| THE LH2      |               |           |         |      |        |
| SIPHON COVER |               |           |         |      |        |
| JOINT LEAKED |               |           |         |      |        |
| AT 472 SCCM  |               |           |         |      |        |
| WHICH        |               |           |         |      |        |
| EXCEEDED THE |               |           |         |      |        |
|              |               |           |         |      |        |
| ALLOWABLE    |               |           |         |      |        |
| LEAK RATE OF |               |           |         |      |        |
| 20 SCCM PER  |               |           |         |      |        |
| TP-8C101-FA  |               |           |         |      |        |
|              |               |           |         |      |        |
| CRITICALITY: |               |           |         |      |        |
| THE NAFLEX   |               |           |         |      |        |
| SEAL IS      |               |           |         |      |        |
| CRIT.1 FMEA  |               |           |         |      |        |
| ITEM CODE    |               |           |         |      |        |
| 2.10.6.1;    |               |           |         |      |        |
|              |               |           |         |      |        |
| \"LEAKAGE\"  |               |           |         |      |        |
|              |               |           |         |      |        |
| REV \"A\":   |               |           |         |      |        |
| CLOSES TASKS |               |           |         |      |        |
| I.A, I.B,    |               |           |         |      |        |
| I.C AND ADDS |               |           |         |      |        |
| I.D (SEE     |               |           |         |      |        |
| ASTERISKS)   |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| In           |               |           |         |      |        |
| vestigation/ |               |           |         |      |        |
| Resolution** |               |           |         |      |        |
|              |               |           |         |      |        |
| GENERAL:     |               |           |         |      |        |
|              |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
| DUAL SEAL    |               |           |         |      |        |
| CAVITY LEAK  |               |           |         |      |        |
| CHECK OF THE |               |           |         |      |        |
| LH2 SIPHON   |               |           |         |      |        |
| COVER IN     |               |           |         |      |        |
|              |               |           |         |      |        |
| FINAL        |               |           |         |      |        |
| ASSEMBLY, A  |               |           |         |      |        |
| 472 SCCM     |               |           |         |      |        |
| LEAK WAS     |               |           |         |      |        |
| DETECTED.    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| ALLOWABLE    |               |           |         |      |        |
| LEAKAGE      |               |           |         |      |        |
|              |               |           |         |      |        |
| IS 20 SCCM,  |               |           |         |      |        |
| MAXIMUM, AT  |               |           |         |      |        |
| 6.0+/-0.5    |               |           |         |      |        |
| PSIG GHE AS  |               |           |         |      |        |
| TESTED PER   |               |           |         |      |        |
| TP-8C101-FA  |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS FLANGE  |               |           |         |      |        |
| USES A       |               |           |         |      |        |
| TEFLON       |               |           |         |      |        |
| COATED       |               |           |         |      |        |
| NAFLEX SEAL  |               |           |         |      |        |
| (55L11-7T),  |               |           |         |      |        |
| INSTALLED IN |               |           |         |      |        |
|              |               |           |         |      |        |
| THE VAB CELL |               |           |         |      |        |
| \"A\" WITH   |               |           |         |      |        |
| THE ET IN A  |               |           |         |      |        |
| VERTICAL     |               |           |         |      |        |
| ATTITUDE     |               |           |         |      |        |
|              |               |           |         |      |        |
| TROUBLE      |               |           |         |      |        |
| SHOOTING     |               |           |         |      |        |
| STEPS        |               |           |         |      |        |
| DETECTED NO  |               |           |         |      |        |
| TEST         |               |           |         |      |        |
| EQUIPMENT    |               |           |         |      |        |
| MALFUNCTION. |               |           |         |      |        |
| AN           |               |           |         |      |        |
|              |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| WITH GHE     |               |           |         |      |        |
| MASS SPEC    |               |           |         |      |        |
| DETECTED     |               |           |         |      |        |
| INDICATIONS  |               |           |         |      |        |
| OF SECONDARY |               |           |         |      |        |
| SEAL         |               |           |         |      |        |
|              |               |           |         |      |        |
| LEAKAGE AT   |               |           |         |      |        |
| A            |               |           |         |      |        |
| PPROXIMATELY |               |           |         |      |        |
| THE 2:00 -   |               |           |         |      |        |
| 2:30, 6:00 - |               |           |         |      |        |
| 7:30 AND     |               |           |         |      |        |
| 11:30        |               |           |         |      |        |
|              |               |           |         |      |        |
| POSITIONS,   |               |           |         |      |        |
| HOWEVER,     |               |           |         |      |        |
| THESE        |               |           |         |      |        |
| INDICATIONS  |               |           |         |      |        |
| COULD NOT BE |               |           |         |      |        |
| QUANTIFIED.  |               |           |         |      |        |
| UPON         |               |           |         |      |        |
|              |               |           |         |      |        |
| JOINT        |               |           |         |      |        |
| DISASSEMBLY  |               |           |         |      |        |
| A PIECE OF   |               |           |         |      |        |
| TE           |               |           |         |      |        |
| FLON/PLASTIC |               |           |         |      |        |
| SHAVING WAS  |               |           |         |      |        |
| FOUND ALONG  |               |           |         |      |        |
|              |               |           |         |      |        |
| THE -Z LIP   |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| COVER. A     |               |           |         |      |        |
| DETAILED     |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| PERFORMED ON |               |           |         |      |        |
| THE SEAL     |               |           |         |      |        |
|              |               |           |         |      |        |
| FOUND AN     |               |           |         |      |        |
| AREA ON THE  |               |           |         |      |        |
| PRIMARY SEAL |               |           |         |      |        |
| LIP, RUNNING |               |           |         |      |        |
| CIRCU        |               |           |         |      |        |
| MFERENTIALLY |               |           |         |      |        |
| FOR          |               |           |         |      |        |
|              |               |           |         |      |        |
| A            |               |           |         |      |        |
| PPROXIMATELY |               |           |         |      |        |
| 0.5 INCHES   |               |           |         |      |        |
| WHERE NO     |               |           |         |      |        |
| EVIDENCE OF  |               |           |         |      |        |
| SEAL TO      |               |           |         |      |        |
| FLANGE       |               |           |         |      |        |
| CONTACT      |               |           |         |      |        |
|              |               |           |         |      |        |
| WAS PRESENT, |               |           |         |      |        |
| I.E. NO      |               |           |         |      |        |
| CONTACT      |               |           |         |      |        |
| WITNESS      |               |           |         |      |        |
| MARK.        |               |           |         |      |        |
| FURTHER      |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| FOUND        |               |           |         |      |        |
|              |               |           |         |      |        |
| A DISHED     |               |           |         |      |        |
| AREA AT      |               |           |         |      |        |
| THESE        |               |           |         |      |        |
| LOCATION     |               |           |         |      |        |
| WITH NO      |               |           |         |      |        |
| DISRUPTION   |               |           |         |      |        |
| OR DAMAGE TO |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| TEFLON       |               |           |         |      |        |
| COATING      |               |           |         |      |        |
| PRESENT      |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS SEAL    |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| MANUFACTURED |               |           |         |      |        |
| BY LANGLEY   |               |           |         |      |        |
| CORPORATION. |               |           |         |      |        |
| THE SEAL     |               |           |         |      |        |
| SERIAL       |               |           |         |      |        |
|              |               |           |         |      |        |
| NUMBER IS    |               |           |         |      |        |
| 835490085517 |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK I.      |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| /PROBLEM     |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
|              |               |           |         |      |        |
| \* A.        |               |           |         |      |        |
| INSPECT THE  |               |           |         |      |        |
| SEAL AND     |               |           |         |      |        |
| TANK COVER   |               |           |         |      |        |
| FOR          |               |           |         |      |        |
| CONFORMANCE  |               |           |         |      |        |
| TO           |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
|              |               |           |         |      |        |
| REQUIREMENTS |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| D.           |               |           |         |      |        |
| O\           |               |           |         |      |        |
| 'NEAL/3741 - |               |           |         |      |        |
| D.           |               |           |         |      |        |
| W            |               |           |         |      |        |
| ESTPHAL/3740 |               |           |         |      |        |
|              |               |           |         |      |        |
| V.           |               |           |         |      |        |
| P            |               |           |         |      |        |
| HELPS/3724 - |               |           |         |      |        |
| D.           |               |           |         |      |        |
| OWENS/3720   |               |           |         |      |        |
|              |               |           |         |      |        |
| J.           |               |           |         |      |        |
| SPRAY/3725 - |               |           |         |      |        |
| D.           |               |           |         |      |        |
| OWENS/3720   |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE     |               |           |         |      |        |
| 5/17/95      |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT    |               |           |         |      |        |
|              |               |           |         |      |        |
| VISUAL AND   |               |           |         |      |        |
| DIMENSIONAL  |               |           |         |      |        |
| INSPECTIONS  |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| PERFORMED ON |               |           |         |      |        |
| THE SEAL     |               |           |         |      |        |
|              |               |           |         |      |        |
| THE VISUAL   |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| FOUND ONE    |               |           |         |      |        |
| AREA ON THE  |               |           |         |      |        |
| PRIMARY SEAL |               |           |         |      |        |
| LIP WITH NO  |               |           |         |      |        |
|              |               |           |         |      |        |
| EVIDENCE OF  |               |           |         |      |        |
| TEFLON       |               |           |         |      |        |
| COMPRESSION  |               |           |         |      |        |
| (WITNESS     |               |           |         |      |        |
| MARK)        |               |           |         |      |        |
| EXTENDING    |               |           |         |      |        |
| FOR          |               |           |         |      |        |
|              |               |           |         |      |        |
| A            |               |           |         |      |        |
| PPROXIMATELY |               |           |         |      |        |
| 0.5 INCHES   |               |           |         |      |        |
| CIRCU        |               |           |         |      |        |
| MFERENTIALLY |               |           |         |      |        |
| ALONG THE    |               |           |         |      |        |
| LIP,         |               |           |         |      |        |
| INDICATING   |               |           |         |      |        |
|              |               |           |         |      |        |
| NO SEAL TO   |               |           |         |      |        |
| FLANGE       |               |           |         |      |        |
| CONTACT. A   |               |           |         |      |        |
| SUBTLE LOW   |               |           |         |      |        |
| AREA WAS     |               |           |         |      |        |
| DETECTED BY  |               |           |         |      |        |
| \"FEEL\"     |               |           |         |      |        |
|              |               |           |         |      |        |
| (UNGLOVED    |               |           |         |      |        |
| FINGER) AND  |               |           |         |      |        |
| VISUALLY     |               |           |         |      |        |
| ONCE THE     |               |           |         |      |        |
| AREA WAS     |               |           |         |      |        |
| KNOWN. NO    |               |           |         |      |        |
|              |               |           |         |      |        |
| DISRUPTION   |               |           |         |      |        |
| OR DAMAGE TO |               |           |         |      |        |
| THE TEFLON   |               |           |         |      |        |
| WAS NOTED.   |               |           |         |      |        |
| UPON         |               |           |         |      |        |
| STRIPPING    |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| COATING FROM |               |           |         |      |        |
| THE DEFECT   |               |           |         |      |        |
| AREA, THE    |               |           |         |      |        |
| SUBSTRATE    |               |           |         |      |        |
| WAS FOUND TO |               |           |         |      |        |
| HAVE A       |               |           |         |      |        |
|              |               |           |         |      |        |
| UNIFORM,     |               |           |         |      |        |
| ETCHED OR    |               |           |         |      |        |
| SANDBLASTED  |               |           |         |      |        |
| APPEARANCE   |               |           |         |      |        |
| WITH NO      |               |           |         |      |        |
| SURFACE      |               |           |         |      |        |
| DISRUPTIONS  |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| DIMENSIONAL  |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| DEFECT AREA  |               |           |         |      |        |
| WITH THE     |               |           |         |      |        |
| TEFLON       |               |           |         |      |        |
| INTACT       |               |           |         |      |        |
|              |               |           |         |      |        |
| FOUND THE    |               |           |         |      |        |
| TRANSITION   |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| DEPRESSION   |               |           |         |      |        |
| TO BE        |               |           |         |      |        |
| GRADUAL OVER |               |           |         |      |        |
|              |               |           |         |      |        |
| A            |               |           |         |      |        |
| PPROXIMATELY |               |           |         |      |        |
| A ONE INCH   |               |           |         |      |        |
| AREA WITH    |               |           |         |      |        |
| THE LOW      |               |           |         |      |        |
| POINT 0.004  |               |           |         |      |        |
| INCHES LOWER |               |           |         |      |        |
|              |               |           |         |      |        |
| THAN         |               |           |         |      |        |
| ADJACENT     |               |           |         |      |        |
| AREAS. WITH  |               |           |         |      |        |
| THE TEFLON   |               |           |         |      |        |
| REMOVED, THE |               |           |         |      |        |
| LOW POINT    |               |           |         |      |        |
| MEASURED     |               |           |         |      |        |
|              |               |           |         |      |        |
| 0.005 INCHES |               |           |         |      |        |
| LOWER THAN   |               |           |         |      |        |
| ADJACENT     |               |           |         |      |        |
| AREAS, A     |               |           |         |      |        |
| VIOLATION OF |               |           |         |      |        |
| THE 0.0003   |               |           |         |      |        |
|              |               |           |         |      |        |
| INCH/INCH    |               |           |         |      |        |
| REQUIREMENT  |               |           |         |      |        |
| FOR          |               |           |         |      |        |
| WAVINESS.    |               |           |         |      |        |
| THE PRIMARY  |               |           |         |      |        |
| SEAL HEIGHT  |               |           |         |      |        |
| WAS          |               |           |         |      |        |
|              |               |           |         |      |        |
| 0.0027       |               |           |         |      |        |
| INCHES BELOW |               |           |         |      |        |
| THE MINIMUM  |               |           |         |      |        |
| ALLOWABLE.   |               |           |         |      |        |
| THE          |               |           |         |      |        |
| REQUIREMENT  |               |           |         |      |        |
| PRIOR TO     |               |           |         |      |        |
|              |               |           |         |      |        |
| COATING IS   |               |           |         |      |        |
| 0.006 +      |               |           |         |      |        |
| 0            |               |           |         |      |        |
| .000/-0.002; |               |           |         |      |        |
| THE LOWEST   |               |           |         |      |        |
| SEAL HEIGHT  |               |           |         |      |        |
| WAS MEASURED |               |           |         |      |        |
|              |               |           |         |      |        |
| AT 0.0013    |               |           |         |      |        |
| INCHES. THE  |               |           |         |      |        |
| SEAL         |               |           |         |      |        |
| THICKNESS    |               |           |         |      |        |
| RELATIVE TO  |               |           |         |      |        |
| THE OUTER    |               |           |         |      |        |
| SEAL         |               |           |         |      |        |
|              |               |           |         |      |        |
| DIAMETER AND |               |           |         |      |        |
| SECONDARY    |               |           |         |      |        |
| SEALING      |               |           |         |      |        |
| SURFACE MET  |               |           |         |      |        |
| R            |               |           |         |      |        |
| EQUIREMENTS, |               |           |         |      |        |
| SHOWING NO   |               |           |         |      |        |
|              |               |           |         |      |        |
| NEGATIVE     |               |           |         |      |        |
| TAPER.       |               |           |         |      |        |
| REFERENCE    |               |           |         |      |        |
| NCD N005992  |               |           |         |      |        |
|              |               |           |         |      |        |
| THE TANK     |               |           |         |      |        |
| FLANGE AND   |               |           |         |      |        |
| SIPHON COVER |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| INSPECTED    |               |           |         |      |        |
| WITH NO      |               |           |         |      |        |
| ANOMALIES    |               |           |         |      |        |
|              |               |           |         |      |        |
| FOUND. A     |               |           |         |      |        |
| SUCCESSFUL   |               |           |         |      |        |
| RE           |               |           |         |      |        |
| INSTALLATION |               |           |         |      |        |
| OF THE COVER |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| PERFORMED    |               |           |         |      |        |
| USING        |               |           |         |      |        |
|              |               |           |         |      |        |
| A NEW SEAL,  |               |           |         |      |        |
| THE LEAK     |               |           |         |      |        |
| RATE TESTING |               |           |         |      |        |
| AT 0.1 SCCM  |               |           |         |      |        |
|              |               |           |         |      |        |
| \* B. REVIEW |               |           |         |      |        |
| SEAL BUILD   |               |           |         |      |        |
| HISTORY AND  |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| REQUIREMENTS |               |           |         |      |        |
| FOR          |               |           |         |      |        |
|              |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| D.           |               |           |         |      |        |
| O\           |               |           |         |      |        |
| 'NEAL/3741 - |               |           |         |      |        |
| D.           |               |           |         |      |        |
| W            |               |           |         |      |        |
| ESTPHAL/3740 |               |           |         |      |        |
|              |               |           |         |      |        |
| S.           |               |           |         |      |        |
| THO          |               |           |         |      |        |
| MPSON/3761 - |               |           |         |      |        |
| S.           |               |           |         |      |        |
| PARIKH/3760  |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 5/18/95      |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT    |               |           |         |      |        |
|              |               |           |         |      |        |
| A REVIEW OF  |               |           |         |      |        |
| RECEIVING    |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| RECORDS SHOW |               |           |         |      |        |
| THE SEAL WAS |               |           |         |      |        |
| ACCEPTED     |               |           |         |      |        |
|              |               |           |         |      |        |
| AT MAF       |               |           |         |      |        |
| 11/15/93 AS  |               |           |         |      |        |
| AN INITIAL   |               |           |         |      |        |
| RECEIPT.     |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| REQUIREMENTS |               |           |         |      |        |
|              |               |           |         |      |        |
| CONSISTED OF |               |           |         |      |        |
| VERIFYING    |               |           |         |      |        |
| PACKAGING,   |               |           |         |      |        |
| ID           |               |           |         |      |        |
| ENTIFICATION |               |           |         |      |        |
| AND          |               |           |         |      |        |
| MARKINGS,    |               |           |         |      |        |
| AND          |               |           |         |      |        |
|              |               |           |         |      |        |
| VENDOR       |               |           |         |      |        |
| CE           |               |           |         |      |        |
| RTIFICATIONS |               |           |         |      |        |
| AND          |               |           |         |      |        |
| PERFORMING A |               |           |         |      |        |
| VISUAL       |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| ON THE SEAL  |               |           |         |      |        |
|              |               |           |         |      |        |
| THROUGH THE  |               |           |         |      |        |
| PRIMARY      |               |           |         |      |        |
| ACLAR BAG    |               |           |         |      |        |
| AFTER        |               |           |         |      |        |
| REMOVAL FROM |               |           |         |      |        |
| THE OUTER    |               |           |         |      |        |
|              |               |           |         |      |        |
| POLYETHYLENE |               |           |         |      |        |
| BAG. THIS    |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| ASSURES NO   |               |           |         |      |        |
| TEFLON       |               |           |         |      |        |
| DEFECTS      |               |           |         |      |        |
| EXIST ON     |               |           |         |      |        |
|              |               |           |         |      |        |
| THE PRIMARY  |               |           |         |      |        |
| AND          |               |           |         |      |        |
| SECONDARY    |               |           |         |      |        |
| SEALING      |               |           |         |      |        |
| SURFACES AND |               |           |         |      |        |
| THAT THE     |               |           |         |      |        |
| PARTS ARE    |               |           |         |      |        |
|              |               |           |         |      |        |
| FREE FROM    |               |           |         |      |        |
| BURRS AND    |               |           |         |      |        |
| SLIVERS.     |               |           |         |      |        |
| PRIOR TO     |               |           |         |      |        |
| I            |               |           |         |      |        |
| NSTALLATION, |               |           |         |      |        |
| THE SEALS    |               |           |         |      |        |
| ARE          |               |           |         |      |        |
|              |               |           |         |      |        |
| AGAIN        |               |           |         |      |        |
| VISUALLY     |               |           |         |      |        |
| INSPECTED    |               |           |         |      |        |
|              |               |           |         |      |        |
| THE SUPPLIER |               |           |         |      |        |
| REPORTED     |               |           |         |      |        |
| INSPECTIONS  |               |           |         |      |        |
| CONSISTING   |               |           |         |      |        |
| OF           |               |           |         |      |        |
| DIMENSIONAL  |               |           |         |      |        |
|              |               |           |         |      |        |
| INSPECTIONS  |               |           |         |      |        |
| PERFORMED    |               |           |         |      |        |
| AFTER        |               |           |         |      |        |
| MACHIN       |               |           |         |      |        |
| ING/DRILLING |               |           |         |      |        |
| AND          |               |           |         |      |        |
| SANDBLASTING |               |           |         |      |        |
| FOR          |               |           |         |      |        |
|              |               |           |         |      |        |
| TEFLON       |               |           |         |      |        |
| APPLICATION, |               |           |         |      |        |
| INCLUDING    |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| PRIMARY SEAL |               |           |         |      |        |
| HEIGHT ON    |               |           |         |      |        |
|              |               |           |         |      |        |
| AN INCH PER  |               |           |         |      |        |
| INCH BASIS,  |               |           |         |      |        |
| DIMENSIONAL  |               |           |         |      |        |
| INSPECTIONS  |               |           |         |      |        |
| FOR TEFLON   |               |           |         |      |        |
| THICKNESS    |               |           |         |      |        |
|              |               |           |         |      |        |
| DURING AND   |               |           |         |      |        |
| AFTER        |               |           |         |      |        |
| APPLICATION, |               |           |         |      |        |
| AND VISUAL   |               |           |         |      |        |
| INSPECTIONS  |               |           |         |      |        |
| PERFORMED    |               |           |         |      |        |
| AFTER        |               |           |         |      |        |
|              |               |           |         |      |        |
| TEFLON       |               |           |         |      |        |
| APPLICATION, |               |           |         |      |        |
| AFTER        |               |           |         |      |        |
| CLEANING AND |               |           |         |      |        |
| PRIOR TO     |               |           |         |      |        |
| PACKAGING    |               |           |         |      |        |
| FOR          |               |           |         |      |        |
|              |               |           |         |      |        |
| SHIPMENT.    |               |           |         |      |        |
| LANGLEY HAS  |               |           |         |      |        |
| REPORTED     |               |           |         |      |        |
| THAT THIS    |               |           |         |      |        |
| PARTICULAR   |               |           |         |      |        |
| SEAL WAS     |               |           |         |      |        |
|              |               |           |         |      |        |
| REWORKED DUE |               |           |         |      |        |
| TO           |               |           |         |      |        |
| CO           |               |           |         |      |        |
| NTAMINATION. |               |           |         |      |        |
| REFERENCE    |               |           |         |      |        |
| LANGLEY      |               |           |         |      |        |
| CO           |               |           |         |      |        |
| MMUNICATION, |               |           |         |      |        |
| DATED        |               |           |         |      |        |
|              |               |           |         |      |        |
| 5/5/95, AND  |               |           |         |      |        |
| CCMAIL FROM  |               |           |         |      |        |
| PROCUREMENT  |               |           |         |      |        |
| QUALITY,     |               |           |         |      |        |
| DATED        |               |           |         |      |        |
| 5/16/95      |               |           |         |      |        |
|              |               |           |         |      |        |
| \* C. ISSUE  |               |           |         |      |        |
| A SCAR TO    |               |           |         |      |        |
| SUPPLIER FOR |               |           |         |      |        |
| CAUSE AND    |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTION       |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| M.           |               |           |         |      |        |
| MCA          |               |           |         |      |        |
| NDREW/3742 - |               |           |         |      |        |
| D.           |               |           |         |      |        |
| W            |               |           |         |      |        |
| ESTPHAL/3740 |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETE     |               |           |         |      |        |
| 5/5/95       |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT    |               |           |         |      |        |
|              |               |           |         |      |        |
| SCAR 95-064  |               |           |         |      |        |
| ISSUED       |               |           |         |      |        |
| 5/5/95       |               |           |         |      |        |
|              |               |           |         |      |        |
| \* D.        |               |           |         |      |        |
| SUPPLIER     |               |           |         |      |        |
| (LANGLEY     |               |           |         |      |        |
| CORPORATION) |               |           |         |      |        |
| TO EVALUATE  |               |           |         |      |        |
| THE SEAL     |               |           |         |      |        |
| DEFECT AND   |               |           |         |      |        |
|              |               |           |         |      |        |
| REVIEW THEIR |               |           |         |      |        |
| M            |               |           |         |      |        |
| ANUFACTURING |               |           |         |      |        |
| PROCESSES    |               |           |         |      |        |
| FOR CAUSE    |               |           |         |      |        |
| D            |               |           |         |      |        |
| ETERMINATION |               |           |         |      |        |
| AND          |               |           |         |      |        |
|              |               |           |         |      |        |
| IMPLEMENT    |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTIONS TO   |               |           |         |      |        |
| PREVENT      |               |           |         |      |        |
| RECURRENCE   |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| R.           |               |           |         |      |        |
| TORT         |               |           |         |      |        |
| ORICH/3760 - |               |           |         |      |        |
| S.           |               |           |         |      |        |
| PARIKH/3760  |               |           |         |      |        |
|              |               |           |         |      |        |
| ECD: 6/15/95 |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT    |               |           |         |      |        |
|              |               |           |         |      |        |
| PENDING TASK |               |           |         |      |        |
| COMPLETION   |               |           |         |      |        |
|              |               |           |         |      |        |
| CAUSE        |               |           |         |      |        |
|              |               |           |         |      |        |
| PENDING      |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| RESULTS      |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK II.     |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTION       |               |           |         |      |        |
|              |               |           |         |      |        |
| PENDING      |               |           |         |      |        |
| CAUSE        |               |           |         |      |        |
| ID           |               |           |         |      |        |
| ENTIFICATION |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK III.    |               |           |         |      |        |
| CLEARANCE OF |               |           |         |      |        |
| E            |               |           |         |      |        |
| FFECTIVITIES |               |           |         |      |        |
|              |               |           |         |      |        |
| ET-80 JOINT  |               |           |         |      |        |
| REWORKED.    |               |           |         |      |        |
| INSTALLATION |               |           |         |      |        |
| ACCEPTABLE   |               |           |         |      |        |
|              |               |           |         |      |        |
| ALL OTHERS,  |               |           |         |      |        |
| NO ISSUE.    |               |           |         |      |        |
| PROBLEMS OF  |               |           |         |      |        |
| THIS NATURE  |               |           |         |      |        |
| ARE DETECTED |               |           |         |      |        |
| DURING       |               |           |         |      |        |
|              |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| TEST         |               |           |         |      |        |
|              |               |           |         |      |        |
| NOTE: THIS   |               |           |         |      |        |
| IS ALSO THE  |               |           |         |      |        |
| DEFERRAL     |               |           |         |      |        |
| RATIONALE    |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK IV.     |               |           |         |      |        |
| CAPS CLOSURE |               |           |         |      |        |
| SUMMARY      |               |           |         |      |        |
|              |               |           |         |      |        |
| PENDING THE  |               |           |         |      |        |
| COMPLETION   |               |           |         |      |        |
| OF ALL TASKS |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS CAPS IS |               |           |         |      |        |
| OPEN         |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       |               |           |         |      |        |
| Response/C   |               |           |         |      |        |
| oncurrence** |               |           |         |      |        |
|              |               |           |         |      |        |
| 6/9/95 -     |               |           |         |      |        |
| THIS PROBLEM |               |           |         |      |        |
| REPORT WAS   |               |           |         |      |        |
| OPENED IN    |               |           |         |      |        |
| ERROR. IT IS |               |           |         |      |        |
| A DUPLICATE  |               |           |         |      |        |
|              |               |           |         |      |        |
| PROBLEM      |               |           |         |      |        |
| REPORT       |               |           |         |      |        |
| NUMBER       |               |           |         |      |        |
| A16486.      |               |           |         |      |        |
| TRACKING OF  |               |           |         |      |        |
| THIS         |               |           |         |      |        |
| NO           |               |           |         |      |        |
| NCONFORMANCE |               |           |         |      |        |
| SHALL BE     |               |           |         |      |        |
|              |               |           |         |      |        |
| REPORTED ON  |               |           |         |      |        |
| PR #A16486.  |               |           |         |      |        |
| JESSE M.     |               |           |         |      |        |
| NELSON - ET  |               |           |         |      |        |
| AE           |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+

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

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

  --------------- --------------- --------------------- ----------- ----------- ------------
  **MSFC          **IFA#**\       **Contractor RPT#**\  **JSC#**\   **KSC#**\   **EICN#**\
  Report#**\      \--             P-077A                \--         \--         \--
  A16519                                                                        

  **Asmnt         **Asmnt Part    **Asmnt                                       
  Part#**\        Name**\         Serial/Lot#**\                                
  55L11-7T        NAFLEX SEAL     835490085517                                  

  **HCRIT CD**\   **FCRIT CD**\   **CAUSE CD**\         **FAIL                  
  \--             1               MAT - MFG-ASY-EQUP    MODE**\                 
                                                        MV - EXT                
                                                        LEAK                    

  **Asmnt FMEA**\ **Asmnt FM**\   **FMEA CSE**\         **FMEA                  
  2.10.6.1        \--             \--                   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**                                                                        
  --------------- --------------- --------------------- ----------- ----------- ------------