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

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

+--------------+---------------+-----------+--------+------+--------+
| **MSFC       | **In-Flight   | **C       | **J    | *    |        |
| Record \#**\ | Anomaly       | ontractor | SC#**\ | *KSC |        |
| A12135       | Number**\     | Report    | \--    | #**\ |        |
|              | \--           | Number**\ |        | \--  |        |
|              |               | P-063     |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **Problem    |               |           |        |      |        |
| Title**\     |               |           |        |      |        |
| C            |               |           |        |      |        |
| ONTAMINATION |               |           |        |      |        |
| WAS DETECTED |               |           |        |      |        |
| INSIDE AFT   |               |           |        |      |        |
| FEEDLINE LO2 |               |           |        |      |        |
| ELBOW OF ET  |               |           |        |      |        |
| 29 & 31      |               |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Cont    | **FS   | **   |        |
| \--          | ET            | ractor**\ | CM#**\ | FCRI |        |
|              |               | MMMSS     | \--    | T**\ |        |
|              |               |           |        | 1    |        |
+--------------+---------------+-----------+--------+------+--------+
| **HCRIT**\   | **Sys_Lvl**\  | **Misc    |        |      |        |
| 1            | N             | Codes**\  |        |      |        |
|              |               | A **(X)** |        |      |        |
|              |               | B C D E   |        |      |        |
|              |               | **(X)** F |        |      |        |
|              |               | G H I J K |        |      |        |
|              |               | L M N O   |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| *            | **NO          | *         | *      | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | *SER/L | *MAN |        |
| EIM          | LO2 PROP      | 809210    | OT#**\ | UFAC |        |
|              | LINES         | 11009-019 | 71     | TURE |        |
|              |               |           |        | R**\ |        |
|              |               |           |        | MMC  |        |
+--------------+---------------+-----------+--------+------+--------+
| *            | **NO          | *         | *      | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | *SER/L | *MAN |        |
| LRU          | \--           | \--       | OT#**\ | UFAC |        |
|              |               |           | \--    | TURE |        |
|              |               |           |        | R**\ |        |
|              |               |           |        | \--  |        |
+--------------+---------------+-----------+--------+------+--------+
| *            | **NO          | *         | *      | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | *SER/L | *MAN |        |
| NCA          | LO2 PROP      | 809210    | OT#**\ | UFAC |        |
|              | LINES         | 11009-019 | 71     | TURE |        |
|              |               |           |        | R**\ |        |
|              |               |           |        | MMC  |        |
+--------------+---------------+-----------+--------+------+--------+
| **Test/      | **Prevailing  | **F /     | **Fail | **   |        |
| Operation**\ | Condtion**\   | U**\      | M      | Caus |        |
| L - FLD      | F -           | F         | ode**\ | e**\ |        |
|              | FUNCTIONAL    |           | MS -   | M    |        |
|              |               |           | STRUCT | AP - |        |
|              |               |           |        | MFG- |        |
|              |               |           |        | ASY- |        |
|              |               |           |        | INST |        |
+--------------+---------------+-----------+--------+------+--------+
| **System**\  | **Defect**\   | **Ma      | **Work | **   |        |
| PROPULSION   | CN - CONTAM   | terial**\ | Cont   | Fail |        |
|              |               | M -       | act**\ | Dat  |        |
|              |               | LINK-G    | J.     | e**\ |        |
|              |               |           | F      | 03   |        |
|              |               |           | INCHER | /22/ |        |
|              |               |           |        | 1989 |        |
+--------------+---------------+-----------+--------+------+--------+
| **Received   | **Date        | **FMEA    | **IFA: | *    |        |
| at MSFC**\   | Isolated**\   | Ref       | M      | *Mis |        |
| 04/03/1989   | \--           | erence**\ | ission | sion |        |
|              |               | 2.1.21.1  | Ph     | Ela  |        |
|              |               |           | ase**\ | psed |        |
|              |               |           | \--    | Tim  |        |
|              |               |           |        | e**\ |        |
|              |               |           |        | \--  |        |
+--------------+---------------+-----------+--------+------+--------+
| *            |               | **S       |        | **   |        |
| *Location**\ |               | ymptom**\ |        | Time |        |
| KSC          |               | UC -      |        | Cycl |        |
|              |               | UNSAT     |        | e**\ |        |
|              |               |           |        | N/A  |        |
+--------------+---------------+-----------+--------+------+--------+
| *            |               |           |        |      |        |
| *Effectivity |               |           |        |      |        |
| Text**\      |               |           |        |      |        |
| DEFERRED FOR |               |           |        |      |        |
| STS-28,      |               |           |        |      |        |
| STS-34,      |               |           |        |      |        |
| STS-33       |               |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **Vehicle    |               |           |        |      |        |
| Effectivity  |               |           |        |      |        |
| Codes**      |               |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **Vehicle    | **Vehicle     | **Vehicle | **V    | *    |        |
| 1**\         | 2**\          | 3**\      | ehicle | *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**\      | \--           |           | Act    |      |        |
| \--          |               |           | ion**\ |      |        |
|              |               |           | \--    |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **I          |               |           |        |      |        |
| nvestigation |               |           |        |      |        |
| / Resolution |               |           |        |      |        |
| Summary**    |               |           |        |      |        |
|              |               |           |        |      |        |
| CAUSE: TAPE  |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
| TRANSFER AS  |               |           |        |      |        |
| A RESULT OF  |               |           |        |      |        |
| USING FREON  |               |           |        |      |        |
| AS A         |               |           |        |      |        |
| PARTICLE     |               |           |        |      |        |
|              |               |           |        |      |        |
| BARRIER WIPE |               |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **Last MSFC  | **CN RSLV     | **Defer   | **Add  | *    |        |
| Update**\    | SBMT**\       | Date**\   | D      | *R/C |        |
| 02/10/1995   | 07/24/1989    | \--       | ate**\ | Code |        |
|              |               |           | 04/0   | s**\ |        |
|              |               |           | 3/1989 | 5 -  |        |
|              |               |           |        | TRNG |        |
|              |               |           |        | \--  |        |
|              |               |           |        | \--  |        |
+--------------+---------------+-----------+--------+------+--------+
| **Assignee** |               |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **Design**\  | **Chief       | **S &     | **Proj | *    |        |
| P. MULLER    | Engineer**\   | MA**\     | ect**\ | *Pro |        |
|              | M. PESSIN     | R.        | \--    | ject |        |
|              |               | JACKSON   |        | MG   |        |
|              |               |           |        | R**\ |        |
|              |               |           |        | P.   |        |
|              |               |           |        | BRID |        |
|              |               |           |        | WELL |        |
+--------------+---------------+-----------+--------+------+--------+
| **Approval** |               |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **Design**\  | **Chief       | **S &     | **Proj | *    |        |
| P. MULLER    | Engineer**\   | MA**\     | ect**\ | *Pro |        |
|              | M. PESSIN     | R.        | \--    | ject |        |
|              |               | JACKSON   |        | MG   |        |
|              |               |           |        | R**\ |        |
|              |               |           |        | P.   |        |
|              |               |           |        | BRID |        |
|              |               |           |        | WELL |        |
+--------------+---------------+-----------+--------+------+--------+
| **PAC        | **PAC Review  | **MSFC    | **Sta  | *    |        |
| Assignee**\  | Complete**\   | Closure   | tus**\ | *F/A |        |
| J.EL-IBRAHIM | CM            | Date**\   | C -    | C    |        |
|              |               | 0         | CLOSED | ompl |        |
|              |               | 8/16/1989 |        | etio |        |
|              |               |           |        | n**\ |        |
|              |               |           |        | 04   |        |
|              |               |           |        | /03/ |        |
|              |               |           |        | 1989 |        |
+--------------+---------------+-----------+--------+------+--------+
| **Problem    | **SEV**\      | **Program | **R    | **O  |        |
| Type**\      | \--           | Name**\   | EVL**\ | 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**\         |           |        |      |        |
| \--          | \--           |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **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** |               |           |        |      |        |
|              |               |           |        |      |        |
| DURING BLACK |               |           |        |      |        |
| LIGHT        |               |           |        |      |        |
| INSPECTION   |               |           |        |      |        |
| OF THE L02   |               |           |        |      |        |
| AFT FEEDLINE |               |           |        |      |        |
| ELBOW,       |               |           |        |      |        |
| INDICATIONS  |               |           |        |      |        |
|              |               |           |        |      |        |
| WERE PRESENT |               |           |        |      |        |
| WHICH        |               |           |        |      |        |
| CREATED A    |               |           |        |      |        |
| SUSPECT      |               |           |        |      |        |
| CONDITION    |               |           |        |      |        |
| RELATIVE TO  |               |           |        |      |        |
| NON-VOLATILE |               |           |        |      |        |
|              |               |           |        |      |        |
| RESIDUE. A   |               |           |        |      |        |
| VISUAL       |               |           |        |      |        |
| INDICATION   |               |           |        |      |        |
| WAS PRESENT  |               |           |        |      |        |
| IN THE       |               |           |        |      |        |
| VICINITY     |               |           |        |      |        |
| WHICH WOULD  |               |           |        |      |        |
|              |               |           |        |      |        |
| NORMALLY BE  |               |           |        |      |        |
| USED TO      |               |           |        |      |        |
| BUILD A      |               |           |        |      |        |
| PARTICAL     |               |           |        |      |        |
| BARRIER WHEN |               |           |        |      |        |
| FLANGE       |               |           |        |      |        |
| LAPPING IS   |               |           |        |      |        |
|              |               |           |        |      |        |
| REQUIRED TO  |               |           |        |      |        |
| PROVIDE A    |               |           |        |      |        |
| GOOD SEALING |               |           |        |      |        |
| SURFACE. A   |               |           |        |      |        |
| WIPE TEST    |               |           |        |      |        |
| WAS          |               |           |        |      |        |
| PERFORMED    |               |           |        |      |        |
|              |               |           |        |      |        |
| AND THE NVR  |               |           |        |      |        |
| EXCEEDED THE |               |           |        |      |        |
| REQUIREMENT  |               |           |        |      |        |
| OF ONE       |               |           |        |      |        |
| MILLIGRAM    |               |           |        |      |        |
| PER SQUARE   |               |           |        |      |        |
| FOOT         |               |           |        |      |        |
|              |               |           |        |      |        |
| CRITICALITY: |               |           |        |      |        |
| FAILURE TO   |               |           |        |      |        |
| MEET LO2     |               |           |        |      |        |
| CLEANLINESS  |               |           |        |      |        |
| REQUIREMENTS |               |           |        |      |        |
| IS           |               |           |        |      |        |
|              |               |           |        |      |        |
| CRITICALITY  |               |           |        |      |        |
| 1 PER THE    |               |           |        |      |        |
| CIL. REF.    |               |           |        |      |        |
| FMEA ITEM    |               |           |        |      |        |
| CODE         |               |           |        |      |        |
| 2.1.21.1     |               |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **Contractor |               |           |        |      |        |
| In           |               |           |        |      |        |
| vestigation/ |               |           |        |      |        |
| Resolution** |               |           |        |      |        |
|              |               |           |        |      |        |
| 4/18/89 -    |               |           |        |      |        |
| THIS PROBLEM |               |           |        |      |        |
| REPORT HAS   |               |           |        |      |        |
| BEEN         |               |           |        |      |        |
| DEFERRED FOR |               |           |        |      |        |
| STS-30 BASED |               |           |        |      |        |
| ON THE       |               |           |        |      |        |
|              |               |           |        |      |        |
| FOLLOWING    |               |           |        |      |        |
| RATIONALE:   |               |           |        |      |        |
|              |               |           |        |      |        |
| 1 -          |               |           |        |      |        |
| C            |               |           |        |      |        |
| ONTAMINATION |               |           |        |      |        |
| INSIDE THE   |               |           |        |      |        |
| ELBOW AND    |               |           |        |      |        |
| THE          |               |           |        |      |        |
| DISCONNECT   |               |           |        |      |        |
| OF ET-29     |               |           |        |      |        |
| WERE         |               |           |        |      |        |
|              |               |           |        |      |        |
| ACCEPTED     |               |           |        |      |        |
| BASED ON     |               |           |        |      |        |
| BLACK LIGHT  |               |           |        |      |        |
| INSPECTION   |               |           |        |      |        |
| AFTER        |               |           |        |      |        |
| CLEANING     |               |           |        |      |        |
|              |               |           |        |      |        |
| 2 -          |               |           |        |      |        |
| C            |               |           |        |      |        |
| ONTAMINATION |               |           |        |      |        |
| LEVELS IN    |               |           |        |      |        |
| ET-31 AND    |               |           |        |      |        |
| TRANSFER     |               |           |        |      |        |
| TESTS WERE   |               |           |        |      |        |
| BELOW L02    |               |           |        |      |        |
|              |               |           |        |      |        |
| IMPACT       |               |           |        |      |        |
| THRESHOLDS   |               |           |        |      |        |
|              |               |           |        |      |        |
| 3 - NO       |               |           |        |      |        |
| IMPACT       |               |           |        |      |        |
| SOURCES      |               |           |        |      |        |
|              |               |           |        |      |        |
| 4 - NO       |               |           |        |      |        |
| ALUMINUM     |               |           |        |      |        |
| IGNITION     |               |           |        |      |        |
| POSSIBLE     |               |           |        |      |        |
|              |               |           |        |      |        |
| 5 - IF       |               |           |        |      |        |
| CONTAMINANT  |               |           |        |      |        |
| IGNITION     |               |           |        |      |        |
| OCCURRED, IT |               |           |        |      |        |
| WOULD NOT    |               |           |        |      |        |
| DEGRADE THE  |               |           |        |      |        |
|              |               |           |        |      |        |
| PROPERTIES   |               |           |        |      |        |
| OF THE       |               |           |        |      |        |
| ALUMINUM     |               |           |        |      |        |
|              |               |           |        |      |        |
| 6 -          |               |           |        |      |        |
| CONTAMINANT  |               |           |        |      |        |
| STRONGLY     |               |           |        |      |        |
| ADHERES TO   |               |           |        |      |        |
| THE SIDE     |               |           |        |      |        |
| WALL         |               |           |        |      |        |
|              |               |           |        |      |        |
| THE ABOVE    |               |           |        |      |        |
| DEFERRAL     |               |           |        |      |        |
| MEETS THE    |               |           |        |      |        |
| DEFERRAL     |               |           |        |      |        |
| REQUIREMENTS |               |           |        |      |        |
| OF NSTS      |               |           |        |      |        |
| 07700 VOLUME |               |           |        |      |        |
|              |               |           |        |      |        |
| X1 ITEM C,   |               |           |        |      |        |
| WHICH STATES |               |           |        |      |        |
| \"THE        |               |           |        |      |        |
| PROBLEM      |               |           |        |      |        |
| CONDITION    |               |           |        |      |        |
| DOES NOT     |               |           |        |      |        |
| EXIST IN THE |               |           |        |      |        |
|              |               |           |        |      |        |
| FLIGHT       |               |           |        |      |        |
| HARDWARE AND |               |           |        |      |        |
| IS CLEARLY   |               |           |        |      |        |
| SCREENED BY  |               |           |        |      |        |
| ACCEPTANCE   |               |           |        |      |        |
| TEST,        |               |           |        |      |        |
| PREFLIGHT    |               |           |        |      |        |
|              |               |           |        |      |        |
| CHECKOUT, OR |               |           |        |      |        |
| SPECIAL      |               |           |        |      |        |
| TEST\". THE  |               |           |        |      |        |
| SPECIAL      |               |           |        |      |        |
| TESTS        |               |           |        |      |        |
| PERFORMED    |               |           |        |      |        |
| WERE LOX     |               |           |        |      |        |
|              |               |           |        |      |        |
| C            |               |           |        |      |        |
| OMPATIBILITY |               |           |        |      |        |
| OF THE SAME  |               |           |        |      |        |
| CONTAMINATE  |               |           |        |      |        |
| LEVEL AS ET  |               |           |        |      |        |
| 31 AND       |               |           |        |      |        |
| SUBSEQUENT   |               |           |        |      |        |
|              |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
| TRANSFER     |               |           |        |      |        |
| TESTS AS     |               |           |        |      |        |
| WELL AS      |               |           |        |      |        |
| WORST CASE   |               |           |        |      |        |
| LOX IMPACT   |               |           |        |      |        |
| TESTING WITH |               |           |        |      |        |
|              |               |           |        |      |        |
| ALUMINUM     |               |           |        |      |        |
| SAMPLES. REF |               |           |        |      |        |
| FRR CHARTS   |               |           |        |      |        |
|              |               |           |        |      |        |
| THE ABOVE    |               |           |        |      |        |
| DEFERRAL     |               |           |        |      |        |
| RATIONALE    |               |           |        |      |        |
| HAS BEEN     |               |           |        |      |        |
| APPROVED BY  |               |           |        |      |        |
| THE ET       |               |           |        |      |        |
| PROJECT      |               |           |        |      |        |
|              |               |           |        |      |        |
| MANAGER, MR. |               |           |        |      |        |
| J. SMELSER   |               |           |        |      |        |
|              |               |           |        |      |        |
| \_\_\_\_\_   |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
| \_\_\_\_\_J. |               |           |        |      |        |
| SMELSER      |               |           |        |      |        |
| (SIGNED      |               |           |        |      |        |
| 4/           |               |           |        |      |        |
| 24/89)\_\_\_ |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
|              |               |           |        |      |        |
| THIS PROBLEM |               |           |        |      |        |
| REPORT HAS   |               |           |        |      |        |
| BEEN         |               |           |        |      |        |
| DEFERRED FOR |               |           |        |      |        |
| STS-28,      |               |           |        |      |        |
| STS-34 AND   |               |           |        |      |        |
| STS-33       |               |           |        |      |        |
|              |               |           |        |      |        |
| BASED ON THE |               |           |        |      |        |
| ABOVE        |               |           |        |      |        |
| RATIONALE    |               |           |        |      |        |
|              |               |           |        |      |        |
| THE ABOVE    |               |           |        |      |        |
| DEFERRAL     |               |           |        |      |        |
| RATIONALE    |               |           |        |      |        |
| HAS BEEN     |               |           |        |      |        |
| APPROVED BY  |               |           |        |      |        |
| THE ET       |               |           |        |      |        |
| ACTING       |               |           |        |      |        |
| PROJECT      |               |           |        |      |        |
|              |               |           |        |      |        |
| MANAGER, MR. |               |           |        |      |        |
| G.P.         |               |           |        |      |        |
| BRIDWELL     |               |           |        |      |        |
|              |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
| \_\_\_\_G.P. |               |           |        |      |        |
| BRIDWELL     |               |           |        |      |        |
| (SIGNED)\_\_ |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
| \_\_\_\_\_\_ |               |           |        |      |        |
|              |               |           |        |      |        |
| GENERAL      |               |           |        |      |        |
|              |               |           |        |      |        |
| REFERENCE    |               |           |        |      |        |
| CAPS P-063A  |               |           |        |      |        |
| DATED        |               |           |        |      |        |
| 7/24/89 -    |               |           |        |      |        |
|              |               |           |        |      |        |
| DURING       |               |           |        |      |        |
| NORMAL       |               |           |        |      |        |
| (OMRSD)      |               |           |        |      |        |
| BLACKLIGHT   |               |           |        |      |        |
| INSPECTION   |               |           |        |      |        |
| OF THE ET-29 |               |           |        |      |        |
| LO2          |               |           |        |      |        |
| ET/ORBITOR   |               |           |        |      |        |
|              |               |           |        |      |        |
| DISCONNECT,  |               |           |        |      |        |
| THE FLAPPER  |               |           |        |      |        |
| VALVE OF THE |               |           |        |      |        |
| DISCONNECT   |               |           |        |      |        |
| FLUORESCED.  |               |           |        |      |        |
| THE          |               |           |        |      |        |
|              |               |           |        |      |        |
| SUBSEQUENT   |               |           |        |      |        |
| I            |               |           |        |      |        |
| NVESTIGATION |               |           |        |      |        |
| DISCOVERED   |               |           |        |      |        |
| THE AFT LO2  |               |           |        |      |        |
| FEEDLINE     |               |           |        |      |        |
| ELBOW ALSO   |               |           |        |      |        |
|              |               |           |        |      |        |
| FLUORESCED   |               |           |        |      |        |
| ADJACENT TO  |               |           |        |      |        |
| THE          |               |           |        |      |        |
| INTERFACE    |               |           |        |      |        |
| WITH THE     |               |           |        |      |        |
| DISCONNECT.  |               |           |        |      |        |
| THE          |               |           |        |      |        |
|              |               |           |        |      |        |
| FLUORESCING  |               |           |        |      |        |
| MATERIAL IN  |               |           |        |      |        |
| BOTH AREAS   |               |           |        |      |        |
| WAS REMOVED  |               |           |        |      |        |
| WITH         |               |           |        |      |        |
| SOLVENTS,    |               |           |        |      |        |
| BUT THE      |               |           |        |      |        |
|              |               |           |        |      |        |
| NVR OF THE   |               |           |        |      |        |
| ELBOW WAS    |               |           |        |      |        |
| NOT          |               |           |        |      |        |
| VERIFIED.    |               |           |        |      |        |
| THE ELBOW AS |               |           |        |      |        |
| WELL AS THE  |               |           |        |      |        |
| DISCONNECT   |               |           |        |      |        |
|              |               |           |        |      |        |
| WERE         |               |           |        |      |        |
| ACCEPTED     |               |           |        |      |        |
| BASED ON     |               |           |        |      |        |
| BLACKLIGHT   |               |           |        |      |        |
| INSPECTION   |               |           |        |      |        |
| AFTER        |               |           |        |      |        |
| CLEANING     |               |           |        |      |        |
|              |               |           |        |      |        |
| IN FOLLOW-UP |               |           |        |      |        |
| TO THE ET-29 |               |           |        |      |        |
| BLACK LIGHT  |               |           |        |      |        |
| INSPECTION,  |               |           |        |      |        |
| THE ET-31    |               |           |        |      |        |
| LO2 ELBOW    |               |           |        |      |        |
|              |               |           |        |      |        |
| WAS          |               |           |        |      |        |
| INSPECTED    |               |           |        |      |        |
| WITH A BLACK |               |           |        |      |        |
| LIGHT AT     |               |           |        |      |        |
| KSC. THE     |               |           |        |      |        |
| ELBOW        |               |           |        |      |        |
| FLUORESCED   |               |           |        |      |        |
| ADJACENT     |               |           |        |      |        |
|              |               |           |        |      |        |
| TO THE       |               |           |        |      |        |
| INTERFACE    |               |           |        |      |        |
| WITH THE     |               |           |        |      |        |
| DISCONNECT   |               |           |        |      |        |
| AND          |               |           |        |      |        |
| CONTAMINA    |               |           |        |      |        |
| TION/RESIDUE |               |           |        |      |        |
| WAS          |               |           |        |      |        |
|              |               |           |        |      |        |
| VISUALLY     |               |           |        |      |        |
| APPARENT IN  |               |           |        |      |        |
| THE SAME     |               |           |        |      |        |
| AREA OF THE  |               |           |        |      |        |
| OBSERVED ON  |               |           |        |      |        |
| ET-29. THE   |               |           |        |      |        |
|              |               |           |        |      |        |
| SUBSEQUENT   |               |           |        |      |        |
| NVR TEST     |               |           |        |      |        |
| FAILED WITH  |               |           |        |      |        |
| A VALUE OF   |               |           |        |      |        |
| 3.4          |               |           |        |      |        |
| MILLIGRAMS   |               |           |        |      |        |
| PER SQUARE   |               |           |        |      |        |
|              |               |           |        |      |        |
| FOOT (REF.   |               |           |        |      |        |
| WAD PR       |               |           |        |      |        |
| ET-31 -      |               |           |        |      |        |
| FP-0035)     |               |           |        |      |        |
| WITH THE     |               |           |        |      |        |
| REQUIREMENT  |               |           |        |      |        |
| BEING 1      |               |           |        |      |        |
|              |               |           |        |      |        |
| MILLIGRAM    |               |           |        |      |        |
| PER SQUARE   |               |           |        |      |        |
| FOOT         |               |           |        |      |        |
| MAXIMUM. THE |               |           |        |      |        |
| PURPOSE OF   |               |           |        |      |        |
| THIS CAPS IS |               |           |        |      |        |
| TO           |               |           |        |      |        |
|              |               |           |        |      |        |
| PERFORM THE  |               |           |        |      |        |
| I            |               |           |        |      |        |
| NVESTIGATION |               |           |        |      |        |
| NECESSARY TO |               |           |        |      |        |
| DETERMINE    |               |           |        |      |        |
| THE CAUSE OF |               |           |        |      |        |
| THE          |               |           |        |      |        |
|              |               |           |        |      |        |
| CO           |               |           |        |      |        |
| NTAMINATION, |               |           |        |      |        |
| TO DETERMINE |               |           |        |      |        |
| THE FLEET    |               |           |        |      |        |
| CLEARANCE    |               |           |        |      |        |
| TASKS AND TO |               |           |        |      |        |
| OBTAIN       |               |           |        |      |        |
|              |               |           |        |      |        |
| CORRECTIVE   |               |           |        |      |        |
| ACTION       |               |           |        |      |        |
|              |               |           |        |      |        |
| TASK I       |               |           |        |      |        |
| -FAI         |               |           |        |      |        |
| LURE/PROBLEM |               |           |        |      |        |
| I            |               |           |        |      |        |
| NVESTIGATION |               |           |        |      |        |
|              |               |           |        |      |        |
| A WIPE TEST  |               |           |        |      |        |
| WAS          |               |           |        |      |        |
| PERFORMED TO |               |           |        |      |        |
| DETERMINE    |               |           |        |      |        |
| THE          |               |           |        |      |        |
| NON-VOLATILE |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
| CONTENT      |               |           |        |      |        |
|              |               |           |        |      |        |
| ON ET-31 AT  |               |           |        |      |        |
| KSC. THIS    |               |           |        |      |        |
| FOLLOWED     |               |           |        |      |        |
| BLACK LIGHT  |               |           |        |      |        |
| AND VISUAL   |               |           |        |      |        |
| INDICATION   |               |           |        |      |        |
| ON THE       |               |           |        |      |        |
|              |               |           |        |      |        |
| INTERIOR OF  |               |           |        |      |        |
| THE QUICK    |               |           |        |      |        |
| DISCONNECT   |               |           |        |      |        |
| END OF THE   |               |           |        |      |        |
| LO2 AFT      |               |           |        |      |        |
| ELBOW        |               |           |        |      |        |
| CASTING. AS  |               |           |        |      |        |
| A            |               |           |        |      |        |
|              |               |           |        |      |        |
| RESULT OF    |               |           |        |      |        |
| THIS         |               |           |        |      |        |
| FINDING, THE |               |           |        |      |        |
| FOLLOWING    |               |           |        |      |        |
| ACTIONS ARE  |               |           |        |      |        |
| REQUIRED TO  |               |           |        |      |        |
| DETERMINE    |               |           |        |      |        |
|              |               |           |        |      |        |
| THE CAUSE    |               |           |        |      |        |
| FOR THE      |               |           |        |      |        |
| ANOMALOUS    |               |           |        |      |        |
| CONDITIONS   |               |           |        |      |        |
| AND TO       |               |           |        |      |        |
| DETERMINE    |               |           |        |      |        |
| THE REQUIRED |               |           |        |      |        |
|              |               |           |        |      |        |
| CORRECTIVE   |               |           |        |      |        |
| ACTION       |               |           |        |      |        |
|              |               |           |        |      |        |
| 1\. CONTACT  |               |           |        |      |        |
| THE VENDOR   |               |           |        |      |        |
| WHO PROVIDES |               |           |        |      |        |
| G02          |               |           |        |      |        |
| PR           |               |           |        |      |        |
| ESSURIZATION |               |           |        |      |        |
| LINES AND    |               |           |        |      |        |
| L02          |               |           |        |      |        |
|              |               |           |        |      |        |
| FEEDLINES TO |               |           |        |      |        |
| DETERMINE IF |               |           |        |      |        |
| PARTICLE     |               |           |        |      |        |
| BARRIERS ARE |               |           |        |      |        |
| INSTALLED    |               |           |        |      |        |
| INSIDE OF    |               |           |        |      |        |
|              |               |           |        |      |        |
| CLEAN LINES  |               |           |        |      |        |
| WHEN WORK IS |               |           |        |      |        |
| PERFORMED ON |               |           |        |      |        |
| CLEANED      |               |           |        |      |        |
| HARDWARE     |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| NO           |               |           |        |      |        |
| PARTICULATE  |               |           |        |      |        |
| BARRIERS ARE |               |           |        |      |        |
| INSTALLED IN |               |           |        |      |        |
| LINES        |               |           |        |      |        |
| RETURNED TO  |               |           |        |      |        |
| THE SUPPLIER |               |           |        |      |        |
|              |               |           |        |      |        |
| COMPLETE     |               |           |        |      |        |
| RECLEANING   |               |           |        |      |        |
| AND          |               |           |        |      |        |
| REPACKAGING  |               |           |        |      |        |
| IS           |               |           |        |      |        |
| A            |               |           |        |      |        |
| CCOMPLISHED. |               |           |        |      |        |
| REF. MEMO    |               |           |        |      |        |
|              |               |           |        |      |        |
| 3761-89-037, |               |           |        |      |        |
| DATED 5      |               |           |        |      |        |
| APRIL 1989,  |               |           |        |      |        |
| FAULKNER TO  |               |           |        |      |        |
| FINCHER      |               |           |        |      |        |
|              |               |           |        |      |        |
| 2\. REVIEW   |               |           |        |      |        |
| ALL G02 AND  |               |           |        |      |        |
| L02 LINE MAF |               |           |        |      |        |
| BUILD        |               |           |        |      |        |
| RECORDS TO   |               |           |        |      |        |
| DETERMINE    |               |           |        |      |        |
| WHICH        |               |           |        |      |        |
|              |               |           |        |      |        |
| LINES HAD    |               |           |        |      |        |
| PARTICLE     |               |           |        |      |        |
| BARRIERS     |               |           |        |      |        |
| INSTALLED    |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| A REVIEW OF  |               |           |        |      |        |
| RECORDS      |               |           |        |      |        |
| IDENTIFIED   |               |           |        |      |        |
| ALL L02      |               |           |        |      |        |
| FEEDLINES    |               |           |        |      |        |
| WHICH HAVE   |               |           |        |      |        |
| UTILIZED     |               |           |        |      |        |
|              |               |           |        |      |        |
| PARTICLE     |               |           |        |      |        |
| BARRIERS     |               |           |        |      |        |
| DURING       |               |           |        |      |        |
| REWORK       |               |           |        |      |        |
| ACTIVITIES.  |               |           |        |      |        |
| BY           |               |           |        |      |        |
| MANAGEMENT   |               |           |        |      |        |
| DECISION,    |               |           |        |      |        |
| ALL          |               |           |        |      |        |
|              |               |           |        |      |        |
| PR           |               |           |        |      |        |
| ESSURIZATION |               |           |        |      |        |
| LINES WERE   |               |           |        |      |        |
| NOT          |               |           |        |      |        |
| RESEARCHED.  |               |           |        |      |        |
| REF. MEMO    |               |           |        |      |        |
| 3741-89-048  |               |           |        |      |        |
|              |               |           |        |      |        |
| 3\. PERFORM  |               |           |        |      |        |
| TESTS ON AN  |               |           |        |      |        |
| INDIVIDUAL   |               |           |        |      |        |
| L02 ELBOW    |               |           |        |      |        |
| (ET-55) TO   |               |           |        |      |        |
| DETERMINE    |               |           |        |      |        |
| THE          |               |           |        |      |        |
|              |               |           |        |      |        |
| ADEQUACY OF  |               |           |        |      |        |
| TAPE RESIDUE |               |           |        |      |        |
| REMOVAL AND  |               |           |        |      |        |
| PERFORM NVR  |               |           |        |      |        |
| TEST         |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| INSPECTIONS  |               |           |        |      |        |
| WERE         |               |           |        |      |        |
| PERFORMED ON |               |           |        |      |        |
| TWO          |               |           |        |      |        |
| UNINSTALLED  |               |           |        |      |        |
| L02 ELBOWS   |               |           |        |      |        |
| (ET-54 AND   |               |           |        |      |        |
| 55)          |               |           |        |      |        |
|              |               |           |        |      |        |
| THIS         |               |           |        |      |        |
| CONSISTED OF |               |           |        |      |        |
| A VISUAL,    |               |           |        |      |        |
| BLACK LIGHT  |               |           |        |      |        |
| (ULTRA       |               |           |        |      |        |
| VIOLET) AND  |               |           |        |      |        |
| NON-VOLATILE |               |           |        |      |        |
|              |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
| WIPE. NO     |               |           |        |      |        |
| VISUAL       |               |           |        |      |        |
| INDICATIONS  |               |           |        |      |        |
| WERE         |               |           |        |      |        |
| OBSERVED IN  |               |           |        |      |        |
| EITHER ELBOW |               |           |        |      |        |
|              |               |           |        |      |        |
| HOWEVER, ON  |               |           |        |      |        |
| ET-55, FOUR  |               |           |        |      |        |
| AREAS        |               |           |        |      |        |
| FLUORESCED   |               |           |        |      |        |
| BUT NO       |               |           |        |      |        |
| TRANSFER WAS |               |           |        |      |        |
| OBTAINED     |               |           |        |      |        |
|              |               |           |        |      |        |
| WHEN WIPED   |               |           |        |      |        |
| WITH A PCA   |               |           |        |      |        |
| FREON SOAKED |               |           |        |      |        |
| SWAB. ET-54  |               |           |        |      |        |
| HAD NO       |               |           |        |      |        |
| FLUORESCENT  |               |           |        |      |        |
|              |               |           |        |      |        |
| AREAS. BOTH  |               |           |        |      |        |
| LINES WERE   |               |           |        |      |        |
| NVR WIPED    |               |           |        |      |        |
| AND WERE     |               |           |        |      |        |
| WITHIN THE   |               |           |        |      |        |
| ACCEPTABLE   |               |           |        |      |        |
| LIMITS       |               |           |        |      |        |
|              |               |           |        |      |        |
| OF LESS THAN |               |           |        |      |        |
| ONE          |               |           |        |      |        |
| MILLOGRAM    |               |           |        |      |        |
| PER SQUARE   |               |           |        |      |        |
| FOOT. REF.   |               |           |        |      |        |
| LAB REPORTS  |               |           |        |      |        |
| 89A094 AND   |               |           |        |      |        |
|              |               |           |        |      |        |
| 89A095       |               |           |        |      |        |
|              |               |           |        |      |        |
| 4\.          |               |           |        |      |        |
| DETERMINE IF |               |           |        |      |        |
| VENDOR OF    |               |           |        |      |        |
| ET-29 AND    |               |           |        |      |        |
| ET-31 ELBOW  |               |           |        |      |        |
| CASTINGS     |               |           |        |      |        |
| UTILIZE ANY  |               |           |        |      |        |
|              |               |           |        |      |        |
| PROCESSES    |               |           |        |      |        |
| WHICH WOULD  |               |           |        |      |        |
| CONTRIBUTE   |               |           |        |      |        |
| TO BLACK     |               |           |        |      |        |
| LIGHT        |               |           |        |      |        |
| INDICATIONS  |               |           |        |      |        |
| INSIDE OF    |               |           |        |      |        |
|              |               |           |        |      |        |
| THE ASSEMBLY |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| NO UNUSUAL   |               |           |        |      |        |
| C            |               |           |        |      |        |
| IRCUMSTANCES |               |           |        |      |        |
| INVOLVING    |               |           |        |      |        |
| ET-29 OR 31  |               |           |        |      |        |
| ELBOWS WERE  |               |           |        |      |        |
| REPORTED     |               |           |        |      |        |
|              |               |           |        |      |        |
| BY THE       |               |           |        |      |        |
| SUPPLIER     |               |           |        |      |        |
| (STADCO)     |               |           |        |      |        |
| WHICH WOULD  |               |           |        |      |        |
| CONTRIBUTE   |               |           |        |      |        |
| TO           |               |           |        |      |        |
| FLUORESCENT  |               |           |        |      |        |
| AREAS IN     |               |           |        |      |        |
|              |               |           |        |      |        |
| THE L02      |               |           |        |      |        |
| ELBOW        |               |           |        |      |        |
| CASTING.     |               |           |        |      |        |
| REF. MEMO    |               |           |        |      |        |
| 3761-89-037, |               |           |        |      |        |
| W. FAULKNER  |               |           |        |      |        |
| TO J         |               |           |        |      |        |
|              |               |           |        |      |        |
| FINCHER      |               |           |        |      |        |
|              |               |           |        |      |        |
| 5\.          |               |           |        |      |        |
| INTERVIEW    |               |           |        |      |        |
| SHOP AND     |               |           |        |      |        |
| INSPECTION   |               |           |        |      |        |
| PERSONNEL TO |               |           |        |      |        |
| DETERMINE IF |               |           |        |      |        |
|              |               |           |        |      |        |
| C            |               |           |        |      |        |
| ONSISTENCIES |               |           |        |      |        |
| EXIST        |               |           |        |      |        |
| RELATIVE TO  |               |           |        |      |        |
| PARTICLE     |               |           |        |      |        |
| BARRIER      |               |           |        |      |        |
| INSTALLA     |               |           |        |      |        |
| TION/REMOVAL |               |           |        |      |        |
|              |               |           |        |      |        |
| AND SAMPLING |               |           |        |      |        |
| FOR NVR PER  |               |           |        |      |        |
| THE STANDARD |               |           |        |      |        |
| REPAIR       |               |           |        |      |        |
| INSTRUCTIONS |               |           |        |      |        |
| M-004        |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| INTERVIEWS   |               |           |        |      |        |
| WITH SHOP,   |               |           |        |      |        |
| Q.C. AND     |               |           |        |      |        |
| LABORATORY   |               |           |        |      |        |
| PERSONNEL    |               |           |        |      |        |
| REVEALED     |               |           |        |      |        |
| THAT A       |               |           |        |      |        |
|              |               |           |        |      |        |
| GENERAL      |               |           |        |      |        |
| CONSISTENCY  |               |           |        |      |        |
| IN TECHNIQUE |               |           |        |      |        |
| WAS UTILIZED |               |           |        |      |        |
| IN           |               |           |        |      |        |
| CONJUNCTION  |               |           |        |      |        |
| WITH         |               |           |        |      |        |
|              |               |           |        |      |        |
| CLEANING,    |               |           |        |      |        |
| INSPECTION   |               |           |        |      |        |
| AND SAMPLING |               |           |        |      |        |
| FOR NVR      |               |           |        |      |        |
| AFTER        |               |           |        |      |        |
| LAPPING      |               |           |        |      |        |
| FLANGES      |               |           |        |      |        |
| USING        |               |           |        |      |        |
|              |               |           |        |      |        |
| STANDARD     |               |           |        |      |        |
| REPAIR       |               |           |        |      |        |
| INSTRUCTION  |               |           |        |      |        |
| M-004        |               |           |        |      |        |
|              |               |           |        |      |        |
| 6\. OBTAIN   |               |           |        |      |        |
| DATA FROM    |               |           |        |      |        |
| KSC RELATIVE |               |           |        |      |        |
| TO           |               |           |        |      |        |
| PROCESSING   |               |           |        |      |        |
| DIFFERENCES  |               |           |        |      |        |
| IN THE AREAS |               |           |        |      |        |
|              |               |           |        |      |        |
| OF THE L02   |               |           |        |      |        |
| ELBOW AND    |               |           |        |      |        |
| QUICK        |               |           |        |      |        |
| DISCONNECT,  |               |           |        |      |        |
| IF ANY, ON   |               |           |        |      |        |
| ET-29 VS.    |               |           |        |      |        |
| ET-31        |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| NO           |               |           |        |      |        |
| DIFFERENCES  |               |           |        |      |        |
| ARE EVIDENT  |               |           |        |      |        |
| WHICH WOULD  |               |           |        |      |        |
| CONTRIBUTE   |               |           |        |      |        |
| THE THE      |               |           |        |      |        |
| ANOMALOUS    |               |           |        |      |        |
|              |               |           |        |      |        |
| CONDITIONS   |               |           |        |      |        |
| AFTER THE ET |               |           |        |      |        |
| WAS          |               |           |        |      |        |
| DELIVERED TO |               |           |        |      |        |
| KSC. REF. AR |               |           |        |      |        |
| MK9061-MK1   |               |           |        |      |        |
|              |               |           |        |      |        |
| 7\. COMPARE  |               |           |        |      |        |
| PROCESSING   |               |           |        |      |        |
| OF L02 AFT   |               |           |        |      |        |
| ELBOW        |               |           |        |      |        |
| CASTING AT   |               |           |        |      |        |
| MAF FOR      |               |           |        |      |        |
| ET-29 AND 31 |               |           |        |      |        |
|              |               |           |        |      |        |
| WITH         |               |           |        |      |        |
| EMPHASIS ON  |               |           |        |      |        |
| ANY          |               |           |        |      |        |
| DIFFERENCES  |               |           |        |      |        |
| WHICH WOULD  |               |           |        |      |        |
| PRODUCE      |               |           |        |      |        |
| ANOMALOUS    |               |           |        |      |        |
|              |               |           |        |      |        |
| CONDITIONS   |               |           |        |      |        |
| INSIDE OF    |               |           |        |      |        |
| THE ELBOW    |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| NO           |               |           |        |      |        |
| DIFFERENCES  |               |           |        |      |        |
| WERE EVIDENT |               |           |        |      |        |
| IN REVIEWING |               |           |        |      |        |
| THE ELBOW    |               |           |        |      |        |
|              |               |           |        |      |        |
| PROCESSING   |               |           |        |      |        |
| WHICH WOULD  |               |           |        |      |        |
| CONTRIBUTE   |               |           |        |      |        |
| TO THE       |               |           |        |      |        |
| ANOMALOUS    |               |           |        |      |        |
| CONDITION.   |               |           |        |      |        |
| REF. TO      |               |           |        |      |        |
|              |               |           |        |      |        |
| MATRIX       |               |           |        |      |        |
| P-63-7       |               |           |        |      |        |
|              |               |           |        |      |        |
| 8\. PERFORM  |               |           |        |      |        |
| LOX IMPACT   |               |           |        |      |        |
| TESTING TO   |               |           |        |      |        |
| DETERMINE    |               |           |        |      |        |
| SENSITIVITY  |               |           |        |      |        |
| OF           |               |           |        |      |        |
| TAPE/CLOTH   |               |           |        |      |        |
|              |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| LOX IMPACT   |               |           |        |      |        |
| TESTING WAS  |               |           |        |      |        |
| PERFORMED ON |               |           |        |      |        |
| MATERIALS    |               |           |        |      |        |
| WHICH ARE    |               |           |        |      |        |
| USED IN      |               |           |        |      |        |
|              |               |           |        |      |        |
| CONJUNCTION  |               |           |        |      |        |
| WITH REWORK  |               |           |        |      |        |
| OF FLANGES.  |               |           |        |      |        |
| IT WAS       |               |           |        |      |        |
| DETERMINED   |               |           |        |      |        |
| THAT         |               |           |        |      |        |
|              |               |           |        |      |        |
| 155          |               |           |        |      |        |
| M            |               |           |        |      |        |
| G/FT-SQUARED |               |           |        |      |        |
| PASSED       |               |           |        |      |        |
| IMPACT       |               |           |        |      |        |
| TESTING. IT  |               |           |        |      |        |
| WAS ALSO     |               |           |        |      |        |
| DETERMINED   |               |           |        |      |        |
| THAT         |               |           |        |      |        |
|              |               |           |        |      |        |
| ANY          |               |           |        |      |        |
| C            |               |           |        |      |        |
| ONCENTRATION |               |           |        |      |        |
| OF           |               |           |        |      |        |
| ANTI-STATIC  |               |           |        |      |        |
| COMPOUND IS  |               |           |        |      |        |
| LOX          |               |           |        |      |        |
| COMPATIBLE.  |               |           |        |      |        |
| REF          |               |           |        |      |        |
|              |               |           |        |      |        |
| MATERIALS    |               |           |        |      |        |
| ENGINEERING  |               |           |        |      |        |
| TEST         |               |           |        |      |        |
| REPORT -     |               |           |        |      |        |
| ETTR-349     |               |           |        |      |        |
|              |               |           |        |      |        |
| 9\.          |               |           |        |      |        |
| DETERMINE    |               |           |        |      |        |
| EFFECT (IF   |               |           |        |      |        |
| ANY) OF      |               |           |        |      |        |
| AGING OF     |               |           |        |      |        |
| TAPE/CLOTH   |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| TESTS        |               |           |        |      |        |
| INDICATE     |               |           |        |      |        |
| THAT WHEN    |               |           |        |      |        |
| J414 TAPE IS |               |           |        |      |        |
| IN CONTACT   |               |           |        |      |        |
| WITH PCA     |               |           |        |      |        |
| FREON, THE   |               |           |        |      |        |
|              |               |           |        |      |        |
| AMOUNT OF    |               |           |        |      |        |
| ADHESIVE     |               |           |        |      |        |
| TRANSFER IS  |               |           |        |      |        |
| PROPORTIONAL |               |           |        |      |        |
| TO THE       |               |           |        |      |        |
| CONTACT TIME |               |           |        |      |        |
| WITH THE     |               |           |        |      |        |
|              |               |           |        |      |        |
| SOLVENT AND  |               |           |        |      |        |
| LENGTH OF    |               |           |        |      |        |
| TIME LEFT ON |               |           |        |      |        |
| THE SURFACE  |               |           |        |      |        |
| OF THE METAL |               |           |        |      |        |
| SUBSTRATE    |               |           |        |      |        |
|              |               |           |        |      |        |
| REF. TO      |               |           |        |      |        |
| MATERIALS    |               |           |        |      |        |
| ENGINEERING  |               |           |        |      |        |
| TEST REPORT  |               |           |        |      |        |
| ETTR-349     |               |           |        |      |        |
|              |               |           |        |      |        |
| 10\. TEST    |               |           |        |      |        |
| SAMPLES OF   |               |           |        |      |        |
| TAPE/CLOTH   |               |           |        |      |        |
| RESIDUE ON   |               |           |        |      |        |
| M            |               |           |        |      |        |
| ACHINED/CAST |               |           |        |      |        |
| SURFACES     |               |           |        |      |        |
| WITH         |               |           |        |      |        |
|              |               |           |        |      |        |
| OSEE         |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| RESULTS OF   |               |           |        |      |        |
| THE OSEE     |               |           |        |      |        |
| WERE         |               |           |        |      |        |
| INCONCLUSIVE |               |           |        |      |        |
| BECAUSE OF   |               |           |        |      |        |
| ELBOW        |               |           |        |      |        |
| C            |               |           |        |      |        |
| ONFIGURATION |               |           |        |      |        |
| AND          |               |           |        |      |        |
|              |               |           |        |      |        |
| DUE TO THE   |               |           |        |      |        |
| FACT THAT NO |               |           |        |      |        |
| DATA WERE    |               |           |        |      |        |
| OBTAINABLE   |               |           |        |      |        |
| ON A357-T6   |               |           |        |      |        |
| CASTINGS.    |               |           |        |      |        |
| REF          |               |           |        |      |        |
|              |               |           |        |      |        |
| MEMO         |               |           |        |      |        |
| 3573-89-062  |               |           |        |      |        |
|              |               |           |        |      |        |
| 11\. KSC     |               |           |        |      |        |
| PROVIDE      |               |           |        |      |        |
| RESULTS OF   |               |           |        |      |        |
| TESTING ON   |               |           |        |      |        |
| ET HARDWARE  |               |           |        |      |        |
| AT KSC AS IT |               |           |        |      |        |
| RELATES      |               |           |        |      |        |
|              |               |           |        |      |        |
| TO RESIDUE   |               |           |        |      |        |
| FOUND ON     |               |           |        |      |        |
| ET-31        |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| VISUAL AND   |               |           |        |      |        |
| BLACK LIGHT  |               |           |        |      |        |
| INDICATIONS  |               |           |        |      |        |
| WERE         |               |           |        |      |        |
| PRESENT. IN  |               |           |        |      |        |
| ONE AREA OF  |               |           |        |      |        |
| THE          |               |           |        |      |        |
|              |               |           |        |      |        |
| ELBOW A ONE  |               |           |        |      |        |
| SQUARE FOOT  |               |           |        |      |        |
| AREA WAS     |               |           |        |      |        |
| WIPED BY MAF |               |           |        |      |        |
| PERSONNEL    |               |           |        |      |        |
| USING THE    |               |           |        |      |        |
| SAME         |               |           |        |      |        |
|              |               |           |        |      |        |
| METHOD THAT  |               |           |        |      |        |
| IS USED IN   |               |           |        |      |        |
| ET           |               |           |        |      |        |
| PRODUCTION.  |               |           |        |      |        |
| THE NVR WIPE |               |           |        |      |        |
| REVEALED 3.4 |               |           |        |      |        |
| MG/FT-       |               |           |        |      |        |
|              |               |           |        |      |        |
| SQUARED      |               |           |        |      |        |
| WHICH IS IN  |               |           |        |      |        |
| VIOLATION OF |               |           |        |      |        |
| THE REQUIRED |               |           |        |      |        |
| 1            |               |           |        |      |        |
| MG           |               |           |        |      |        |
| /FT-SQUARED. |               |           |        |      |        |
| REF          |               |           |        |      |        |
|              |               |           |        |      |        |
| WAD-PR-E     |               |           |        |      |        |
| T-31-FP-0035 |               |           |        |      |        |
|              |               |           |        |      |        |
| TASK II -    |               |           |        |      |        |
| CORRECTIVE   |               |           |        |      |        |
| ACTIONS      |               |           |        |      |        |
|              |               |           |        |      |        |
| 1\.          |               |           |        |      |        |
| IMPLEMENT    |               |           |        |      |        |
| TOOLING TO   |               |           |        |      |        |
| REPLACE      |               |           |        |      |        |
| ACLAR        |               |           |        |      |        |
| BARRIERS TO  |               |           |        |      |        |
| PRECLUDE USE |               |           |        |      |        |
| OF TAPE      |               |           |        |      |        |
|              |               |           |        |      |        |
| INSIDE OF    |               |           |        |      |        |
| FEEDLINES    |               |           |        |      |        |
| AND          |               |           |        |      |        |
| PR           |               |           |        |      |        |
| ESSURIZATION |               |           |        |      |        |
| LINES        |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| TOOLING HAS  |               |           |        |      |        |
| BEEN         |               |           |        |      |        |
| PROVIDED TO  |               |           |        |      |        |
| PRECLUDE THE |               |           |        |      |        |
| REQUIREMENT  |               |           |        |      |        |
| FOR TAPED IN |               |           |        |      |        |
|              |               |           |        |      |        |
| PARTICLE     |               |           |        |      |        |
| BARRIERS ON  |               |           |        |      |        |
| PROPULSION   |               |           |        |      |        |
| LINES AND    |               |           |        |      |        |
| THE          |               |           |        |      |        |
| APPLICABLE   |               |           |        |      |        |
| IMPLEMENTING |               |           |        |      |        |
|              |               |           |        |      |        |
| PLANS AND    |               |           |        |      |        |
| SRIS HAVE    |               |           |        |      |        |
| BEEN         |               |           |        |      |        |
| REVISED.     |               |           |        |      |        |
| THIS IS      |               |           |        |      |        |
| EFFECTIVE    |               |           |        |      |        |
| FOR ET-55.   |               |           |        |      |        |
| REF          |               |           |        |      |        |
|              |               |           |        |      |        |
| SRI-M004     |               |           |        |      |        |
| REV. 5 AND   |               |           |        |      |        |
| MEMO         |               |           |        |      |        |
| 3743-89-178  |               |           |        |      |        |
|              |               |           |        |      |        |
| 2\. REVISE   |               |           |        |      |        |
| STPS 5008,   |               |           |        |      |        |
| 5009, 5011   |               |           |        |      |        |
| AND 5017 TO  |               |           |        |      |        |
| INCLUDE      |               |           |        |      |        |
| C            |               |           |        |      |        |
| LARIFICATION |               |           |        |      |        |
| OF           |               |           |        |      |        |
|              |               |           |        |      |        |
| VISUALLY     |               |           |        |      |        |
| CLEAN        |               |           |        |      |        |
| SURFACES TO  |               |           |        |      |        |
| AVOID        |               |           |        |      |        |
| MISINTE      |               |           |        |      |        |
| RPRETATIONS. |               |           |        |      |        |
| SUBSTITUE    |               |           |        |      |        |
|              |               |           |        |      |        |
| D            |               |           |        |      |        |
| EMINERALIZED |               |           |        |      |        |
| WATER FOR    |               |           |        |      |        |
| PCA FREON AS |               |           |        |      |        |
| A BARRIER    |               |           |        |      |        |
| WIPE TO      |               |           |        |      |        |
| PRECLUDE     |               |           |        |      |        |
| FREON        |               |           |        |      |        |
|              |               |           |        |      |        |
| CONTACT WITH |               |           |        |      |        |
| J414 TAPE    |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| ALL STPS     |               |           |        |      |        |
| HAVE BEEN    |               |           |        |      |        |
| REVISED TO   |               |           |        |      |        |
| CLARIFY      |               |           |        |      |        |
| VISUAL       |               |           |        |      |        |
| INSPECTION   |               |           |        |      |        |
| REQUIREMENTS |               |           |        |      |        |
|              |               |           |        |      |        |
| THIS         |               |           |        |      |        |
| REVISION     |               |           |        |      |        |
| ALSO         |               |           |        |      |        |
| INCLUDES     |               |           |        |      |        |
| DELETION OF  |               |           |        |      |        |
| PCA FREON    |               |           |        |      |        |
| WIPE ON      |               |           |        |      |        |
| ACLAR        |               |           |        |      |        |
|              |               |           |        |      |        |
| BARRIERS FOR |               |           |        |      |        |
| TANK         |               |           |        |      |        |
| PENETRATION; |               |           |        |      |        |
| I.E.         |               |           |        |      |        |
| MANHOLES,    |               |           |        |      |        |
| ELECTRICAL   |               |           |        |      |        |
| FEED         |               |           |        |      |        |
| THROUGHS,    |               |           |        |      |        |
|              |               |           |        |      |        |
| ETC. REF.    |               |           |        |      |        |
| JOB SHEET    |               |           |        |      |        |
| D            |               |           |        |      |        |
| CN-34809-305 |               |           |        |      |        |
|              |               |           |        |      |        |
| 3\.          |               |           |        |      |        |
| IMPLEMENT    |               |           |        |      |        |
| ADHESIVE     |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
| ACCEPTANCE   |               |           |        |      |        |
| TEST AND     |               |           |        |      |        |
| REVISE       |               |           |        |      |        |
| RECEIVAL     |               |           |        |      |        |
|              |               |           |        |      |        |
| ACCEPTANCE   |               |           |        |      |        |
| PLANS TO     |               |           |        |      |        |
| IMPOSE THE   |               |           |        |      |        |
| REQUIREMENT  |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| ADHESIVE     |               |           |        |      |        |
| ACCEPTANCE   |               |           |        |      |        |
| TEST         |               |           |        |      |        |
| REQUIREMENTS |               |           |        |      |        |
| HAVE BEEN    |               |           |        |      |        |
| RELEASED AND |               |           |        |      |        |
| THE          |               |           |        |      |        |
|              |               |           |        |      |        |
| RECEIVING    |               |           |        |      |        |
| ACCEPTANCE   |               |           |        |      |        |
| PLAN HAS     |               |           |        |      |        |
| BEEN REVISED |               |           |        |      |        |
| TO IMPOSE    |               |           |        |      |        |
| THIS         |               |           |        |      |        |
| REQUIREMENT  |               |           |        |      |        |
|              |               |           |        |      |        |
| REF.         |               |           |        |      |        |
| RAP-J414     |               |           |        |      |        |
|              |               |           |        |      |        |
| 4\. SCHEDULE |               |           |        |      |        |
| AND INSPECT  |               |           |        |      |        |
| FIVE (5) ETS |               |           |        |      |        |
| DURING THE   |               |           |        |      |        |
| MODIFICATION |               |           |        |      |        |
| AND          |               |           |        |      |        |
|              |               |           |        |      |        |
| PRODUCTION   |               |           |        |      |        |
| PERIOD BY    |               |           |        |      |        |
| VISUAL,      |               |           |        |      |        |
| BLACKLIGHT   |               |           |        |      |        |
| AND NVR BY   |               |           |        |      |        |
| PERFORMING A |               |           |        |      |        |
|              |               |           |        |      |        |
| DISCREPANCY  |               |           |        |      |        |
| CHECK AND    |               |           |        |      |        |
| REPORT (DC&R |               |           |        |      |        |
| P89-001A &   |               |           |        |      |        |
| P-89-002)    |               |           |        |      |        |
|              |               |           |        |      |        |
| NOTE: ET-27, |               |           |        |      |        |
| 32, 33, 34   |               |           |        |      |        |
| AND 53       |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| FIVE ETS     |               |           |        |      |        |
| WERE         |               |           |        |      |        |
| INSPECTED    |               |           |        |      |        |
| WITH BLACK   |               |           |        |      |        |
| LIGHT,       |               |           |        |      |        |
| VISUAL AND   |               |           |        |      |        |
| NVR (ETS 27, |               |           |        |      |        |
| 32,          |               |           |        |      |        |
|              |               |           |        |      |        |
| 33, 34 &     |               |           |        |      |        |
| 53). VISUAL  |               |           |        |      |        |
| INDICATIONS  |               |           |        |      |        |
| ON ET-27     |               |           |        |      |        |
| WOULD        |               |           |        |      |        |
| INDICATE     |               |           |        |      |        |
| SMALL        |               |           |        |      |        |
| AMOUNTS      |               |           |        |      |        |
|              |               |           |        |      |        |
| OF TAPE      |               |           |        |      |        |
| RESIDUE WAS  |               |           |        |      |        |
| PRESENT. THE |               |           |        |      |        |
| TWO LARGEST  |               |           |        |      |        |
| OF SIX       |               |           |        |      |        |
| INDICATIONS  |               |           |        |      |        |
| WERE         |               |           |        |      |        |
|              |               |           |        |      |        |
| LESS THAN    |               |           |        |      |        |
| .3\" INCH.   |               |           |        |      |        |
| ALL NVR      |               |           |        |      |        |
| SAMPLES      |               |           |        |      |        |
| PASSED THE 1 |               |           |        |      |        |
| M            |               |           |        |      |        |
| G/FT-SQUARED |               |           |        |      |        |
|              |               |           |        |      |        |
| R            |               |           |        |      |        |
| EQUIREMENTS. |               |           |        |      |        |
| REF.         |               |           |        |      |        |
| ATTACHEMENT  |               |           |        |      |        |
| 6            |               |           |        |      |        |
|              |               |           |        |      |        |
| 5\. REVISE   |               |           |        |      |        |
| SRI M-004 TO |               |           |        |      |        |
| PRECLUDE USE |               |           |        |      |        |
| OF FREON     |               |           |        |      |        |
| OVER BARRIER |               |           |        |      |        |
| TAPE         |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STETEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| SRI-M004 WAS |               |           |        |      |        |
| REVISED TO   |               |           |        |      |        |
| DELETE THE   |               |           |        |      |        |
| USE OF FREON |               |           |        |      |        |
| TO WIPE      |               |           |        |      |        |
| PARTICULATE  |               |           |        |      |        |
| FROM         |               |           |        |      |        |
|              |               |           |        |      |        |
| THE PARTICLE |               |           |        |      |        |
| BARRIER.     |               |           |        |      |        |
| D.M. WATER   |               |           |        |      |        |
| IS USED TO   |               |           |        |      |        |
| PRECLUDE THE |               |           |        |      |        |
| FREON FROM   |               |           |        |      |        |
|              |               |           |        |      |        |
| CONTACTING   |               |           |        |      |        |
| THE J414     |               |           |        |      |        |
| TAPE. REF.   |               |           |        |      |        |
| SRI-M004     |               |           |        |      |        |
|              |               |           |        |      |        |
| 6\. REVISE   |               |           |        |      |        |
| BARRIER      |               |           |        |      |        |
| MPP\'S TO    |               |           |        |      |        |
| PRECLUDE USE |               |           |        |      |        |
| OF FREON     |               |           |        |      |        |
| OVER TAPE    |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| MPPS FOR ETS |               |           |        |      |        |
| 47 AND UP    |               |           |        |      |        |
| HAVE BEEN    |               |           |        |      |        |
| REVISED TO   |               |           |        |      |        |
| DELETE THE   |               |           |        |      |        |
| USE OF FREON |               |           |        |      |        |
| ON           |               |           |        |      |        |
|              |               |           |        |      |        |
| PARTICLE     |               |           |        |      |        |
| BARRIERS AND |               |           |        |      |        |
| USE D.M.     |               |           |        |      |        |
| WATER. REF.  |               |           |        |      |        |
| MEMO DATED   |               |           |        |      |        |
| 5-10/89 TO D |               |           |        |      |        |
|              |               |           |        |      |        |
| WESTPHAL FOR |               |           |        |      |        |
| R. CAMPBELL  |               |           |        |      |        |
|              |               |           |        |      |        |
| 7\. ISSUE    |               |           |        |      |        |
| PRODUCTION   |               |           |        |      |        |
| TIPS FOR     |               |           |        |      |        |
| PRECLUDING   |               |           |        |      |        |
| SOLVENT OVER |               |           |        |      |        |
| BARRIER TAPE |               |           |        |      |        |
|              |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| STATEMENT    |               |           |        |      |        |
|              |               |           |        |      |        |
| A PRODUCTION |               |           |        |      |        |
| TIP (NUMBER  |               |           |        |      |        |
| 102) WAS     |               |           |        |      |        |
| ISSUED TO    |               |           |        |      |        |
| MAKE ALL     |               |           |        |      |        |
| PERSONNEL    |               |           |        |      |        |
| AWARE OF     |               |           |        |      |        |
|              |               |           |        |      |        |
| THE          |               |           |        |      |        |
| REQUIREMENT  |               |           |        |      |        |
| TO NOT USE   |               |           |        |      |        |
| FREON WHICH  |               |           |        |      |        |
| WOULD        |               |           |        |      |        |
| CONTACT      |               |           |        |      |        |
| J-414 TAPE   |               |           |        |      |        |
|              |               |           |        |      |        |
| TASK III     |               |           |        |      |        |
| CLEARANCE OF |               |           |        |      |        |
| E            |               |           |        |      |        |
| FFECTIVITIES |               |           |        |      |        |
|              |               |           |        |      |        |
| ALL ET\'S    |               |           |        |      |        |
| CLEARED:     |               |           |        |      |        |
|              |               |           |        |      |        |
| THE L02      |               |           |        |      |        |
| FEEDLINE     |               |           |        |      |        |
| ELBOWS ARE   |               |           |        |      |        |
| INSPECTED AT |               |           |        |      |        |
| KSC IN       |               |           |        |      |        |
| CONJUNCTION  |               |           |        |      |        |
| WITH AN      |               |           |        |      |        |
|              |               |           |        |      |        |
| INSPECTION   |               |           |        |      |        |
| OF THE ET TO |               |           |        |      |        |
| ORBITER      |               |           |        |      |        |
| QUICK        |               |           |        |      |        |
| DISCONNECT.  |               |           |        |      |        |
| THIS CAST    |               |           |        |      |        |
| ELBOW IS     |               |           |        |      |        |
|              |               |           |        |      |        |
| THE ONLY     |               |           |        |      |        |
| VISUALLY     |               |           |        |      |        |
| ACCESSIBLE   |               |           |        |      |        |
| SECTION OF   |               |           |        |      |        |
| THE L02 LINE |               |           |        |      |        |
| DURING THIS  |               |           |        |      |        |
|              |               |           |        |      |        |
| INSPECITON.  |               |           |        |      |        |
| HOWEVER, ALL |               |           |        |      |        |
| OTHER LINES  |               |           |        |      |        |
| IN THE L02   |               |           |        |      |        |
| PROPELLANT   |               |           |        |      |        |
| FEED         |               |           |        |      |        |
|              |               |           |        |      |        |
| SYSTEM AND   |               |           |        |      |        |
| PR           |               |           |        |      |        |
| ESSURIZATION |               |           |        |      |        |
| SYSTEM ARE   |               |           |        |      |        |
| SMOOTH       |               |           |        |      |        |
| SURFACES     |               |           |        |      |        |
| WHICH LEND   |               |           |        |      |        |
|              |               |           |        |      |        |
| THEMSELVES   |               |           |        |      |        |
| TO           |               |           |        |      |        |
| VERIFICATION |               |           |        |      |        |
| OF A CLEAN   |               |           |        |      |        |
| SURFACE. THE |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
| LEVELS ON    |               |           |        |      |        |
|              |               |           |        |      |        |
| ET-31 AND    |               |           |        |      |        |
| ALL OTHER    |               |           |        |      |        |
| TANKS        |               |           |        |      |        |
| INSPECTED TO |               |           |        |      |        |
| DATE ARE     |               |           |        |      |        |
| BELOW L02    |               |           |        |      |        |
| IMPACT       |               |           |        |      |        |
|              |               |           |        |      |        |
| THRESHOLDS.  |               |           |        |      |        |
| NO IMPACT    |               |           |        |      |        |
| SOURCES HAVE |               |           |        |      |        |
| BEEN         |               |           |        |      |        |
| IDENTIFIED   |               |           |        |      |        |
| NOR IS THERE |               |           |        |      |        |
| A            |               |           |        |      |        |
|              |               |           |        |      |        |
| POTENTIAL OF |               |           |        |      |        |
| ALUMINUM     |               |           |        |      |        |
| IGNITION OR  |               |           |        |      |        |
| PROPERTY     |               |           |        |      |        |
| DEGRADATION  |               |           |        |      |        |
| DUE TO       |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
|              |               |           |        |      |        |
| IGNITION.    |               |           |        |      |        |
| ADHERENCE    |               |           |        |      |        |
| PROPERTIES   |               |           |        |      |        |
| OF THE       |               |           |        |      |        |
| RESIDUE IS   |               |           |        |      |        |
| SUCH THAT    |               |           |        |      |        |
| VERY         |               |           |        |      |        |
|              |               |           |        |      |        |
| AGRESSIVE    |               |           |        |      |        |
| SOLVENTS AND |               |           |        |      |        |
| PERSISTENT   |               |           |        |      |        |
| SCRUBBING IS |               |           |        |      |        |
| REQUIRED TO  |               |           |        |      |        |
| REMOVE THE   |               |           |        |      |        |
|              |               |           |        |      |        |
| RESIDUE      |               |           |        |      |        |
| WHICH        |               |           |        |      |        |
| MINIMIZES    |               |           |        |      |        |
| THE          |               |           |        |      |        |
| POTENTIAL OF |               |           |        |      |        |
| INTRUSION OF |               |           |        |      |        |
| THIS MATTER  |               |           |        |      |        |
| INTO         |               |           |        |      |        |
|              |               |           |        |      |        |
| THE          |               |           |        |      |        |
| PROPELLANT   |               |           |        |      |        |
| FLOW. IN     |               |           |        |      |        |
| ADDITION,    |               |           |        |      |        |
| THE          |               |           |        |      |        |
| FLUORESCING  |               |           |        |      |        |
| AREAS ON THE |               |           |        |      |        |
| ET-27,       |               |           |        |      |        |
|              |               |           |        |      |        |
| ET-29, AND   |               |           |        |      |        |
| ET-31 ELBOWS |               |           |        |      |        |
| WERE CLEANED |               |           |        |      |        |
|              |               |           |        |      |        |
| TASK IV CAPS |               |           |        |      |        |
| CLOSURE      |               |           |        |      |        |
| SUMMARY      |               |           |        |      |        |
|              |               |           |        |      |        |
| LOX IMPACTS  |               |           |        |      |        |
| TESTS        |               |           |        |      |        |
| DETERMINED   |               |           |        |      |        |
| THAT THE     |               |           |        |      |        |
| VISUAL       |               |           |        |      |        |
| INDICATIONS  |               |           |        |      |        |
| ARE BELOW    |               |           |        |      |        |
| L02          |               |           |        |      |        |
|              |               |           |        |      |        |
| IMPACT       |               |           |        |      |        |
| THRESHOLDS   |               |           |        |      |        |
| NOR HAVE ANY |               |           |        |      |        |
| IMPACT       |               |           |        |      |        |
| SOURCES BEEN |               |           |        |      |        |
| IDENTIFIED.  |               |           |        |      |        |
| ADHERENT     |               |           |        |      |        |
|              |               |           |        |      |        |
| PROPERTIES   |               |           |        |      |        |
| OF RESIDUE   |               |           |        |      |        |
| ARE SUCH     |               |           |        |      |        |
| THAT THE     |               |           |        |      |        |
| POTENTIAL OF |               |           |        |      |        |
| THIS         |               |           |        |      |        |
| MATERIAL     |               |           |        |      |        |
|              |               |           |        |      |        |
| INTRUSION    |               |           |        |      |        |
| INTO THE     |               |           |        |      |        |
| PROPELLANT   |               |           |        |      |        |
| LOW IS       |               |           |        |      |        |
| MINIMIZED.   |               |           |        |      |        |
| CORRECTIVE   |               |           |        |      |        |
| ACTIONS HAVE |               |           |        |      |        |
|              |               |           |        |      |        |
| BEEN         |               |           |        |      |        |
| IMPLEMENTED  |               |           |        |      |        |
| TO ELIMINATE |               |           |        |      |        |
| SOLVENT      |               |           |        |      |        |
| CONTACT WITH |               |           |        |      |        |
| TAPE AND     |               |           |        |      |        |
| SPECIAL      |               |           |        |      |        |
|              |               |           |        |      |        |
| TOOLING FOR  |               |           |        |      |        |
| THE          |               |           |        |      |        |
| PROPELLANT   |               |           |        |      |        |
| LINES WILL   |               |           |        |      |        |
| ELIMINATE    |               |           |        |      |        |
| TAPE IN      |               |           |        |      |        |
| THESE        |               |           |        |      |        |
|              |               |           |        |      |        |
| APPLICATIONS |               |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+
| **MSFC       |               |           |        |      |        |
| Response/C   |               |           |        |      |        |
| oncurrence** |               |           |        |      |        |
+--------------+---------------+-----------+--------+------+--------+

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

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

  ----------------- ---------------- -------------------- ----------- ----------- ------------
  **MSFC Report#**\ **IFA#**\        **Contractor RPT#**\ **JSC#**\   **KSC#**\   **EICN#**\
  A12135            \--              P-063                \--         \--         \--

  **Asmnt Part#**\  **Asmnt Part     **Asmnt                                      
  80921011009-019   Name**\          Serial/Lot#**\                               
                    L02 PROP LINES   71                                           

  **HCRIT CD**\     **FCRIT CD**\    **CAUSE CD**\        **FAIL                  
  \--               1                MAP - MFG-ASY-INST   MODE**\                 
                                                          UC - UNSAT              

  **Asmnt FMEA**\   **Asmnt FM**\    **FMEA CSE**\        **FMEA                  
  2.1.21.1          1                A                    SCSE**\                 
                                                          1                       

  **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**                                                                          
  ----------------- ---------------- -------------------- ----------- ----------- ------------