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

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

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

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

+--------------+---------------+----------+---------+------+--------+
| **MSFC       | **In-Flight   | **Co     | **      | *    |        |
| Record \#**\ | Anomaly       | ntractor | JSC#**\ | *KSC |        |
| A17243       | Number**\     | Report   | \--     | #**\ |        |
|              | \--           | N        |         | \--  |        |
|              |               | umber**\ |         |      |        |
|              |               | P-083    |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Problem    |               |          |         |      |        |
| Title**\     |               |          |         |      |        |
| PROPULSION   |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Contr  | **F     | **   |        |
| \--          | ET            | actor**\ | SCM#**\ | FCRI |        |
|              |               | LMMSS    | \--     | T**\ |        |
|              |               |          |         | 1    |        |
+--------------+---------------+----------+---------+------+--------+
| **HCRIT**\   | **Sys_Lvl**\  | **Misc   |         |      |        |
| \--          | \--           | Codes**\ |         |      |        |
|              |               | A B C D  |         |      |        |
|              |               | E F G H  |         |      |        |
|              |               | I J K L  |         |      |        |
|              |               | M N O    |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| *            | **NO          | **       | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | PART#**\ | LOT#**\ | *MAN |        |
| EIM          | \--           | \--      | \--     | UFAC |        |
|              |               |          |         | TURE |        |
|              |               |          |         | R**\ |        |
|              |               |          |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| *            | **NO          | **       | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | PART#**\ | LOT#**\ | *MAN |        |
| LRU          | \--           | \--      | \--     | UFAC |        |
|              |               |          |         | TURE |        |
|              |               |          |         | R**\ |        |
|              |               |          |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| *            | **NO          | **       | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | PART#**\ | LOT#**\ | *MAN |        |
| NCA          | LH2           | 1        | ET-97   | UFAC |        |
|              | RECIRCULATION | 1009-509 |         | TURE |        |
|              | LI            |          |         | R**\ |        |
|              |               |          |         | L    |        |
|              |               |          |         | MMSS |        |
+--------------+---------------+----------+---------+------+--------+
| **Test/      | **Prevailing  | **F /    | **Fail  | **   |        |
| Operation**\ | Condtion**\   | U**\     | Mode**\ | Caus |        |
| A - ATP      | P - PRESSURE  | \--      | MV -    | e**\ |        |
|              |               |          | EXT     | MA - |        |
|              |               |          | LEAK    | MFG  |        |
|              |               |          |         | -ASY |        |
+--------------+---------------+----------+---------+------+--------+
| **System**\  | **Defect**\   | **Mat    | **Work  | **   |        |
| PROPULSION   | \--           | erial**\ | Con     | Fail |        |
|              |               | \--      | tact**\ | Dat  |        |
|              |               |          | B.      | e**\ |        |
|              |               |          | MA      | 02   |        |
|              |               |          | TTHEESS | /19/ |        |
|              |               |          |         | 1998 |        |
+--------------+---------------+----------+---------+------+--------+
| **Received   | **Date        | **FMEA   | **IFA:  | *    |        |
| at MSFC**\   | Isolated**\   | Refe     | Mission | *Mis |        |
| 02/20/1998   | 02/19/1998    | rence**\ | P       | sion |        |
|              |               | 2.6.1.1  | hase**\ | Ela  |        |
|              |               |          | \--     | psed |        |
|              |               |          |         | Tim  |        |
|              |               |          |         | e**\ |        |
|              |               |          |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| *            |               | **Sy     |         | **   |        |
| *Location**\ |               | mptom**\ |         | Time |        |
| MAF          |               | MV - EXT |         | Cycl |        |
|              |               | LEAK     |         | e**\ |        |
|              |               |          |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| *            |               |          |         |      |        |
| *Effectivity |               |          |         |      |        |
| Text**\      |               |          |         |      |        |
| ET97         |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Vehicle    |               |          |         |      |        |
| Effectivity  |               |          |         |      |        |
| Codes**      |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Vehicle    | **Vehicle     | *        | **      | *    |        |
| 1**\         | 2**\          | *Vehicle | Vehicle | *Veh |        |
| \--          | \--           | 3**\     | 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**\      | 02/11/1998    |          | Ac      |      |        |
| 06/08/1998   |               |          | tion**\ |      |        |
|              |               |          | 03/     |      |        |
|              |               |          | 11/1998 |      |        |
+--------------+---------------+----------+---------+------+--------+
| **I          |               |          |         |      |        |
| nvestigation |               |          |         |      |        |
| / Resolution |               |          |         |      |        |
| Summary**    |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Last MSFC  | **CN RSLV     | **Defer  | **Add   | *    |        |
| Update**\    | SBMT**\       | Date**\  | Date**\ | *R/C |        |
| 03/31/1998   | 03/17/1998    | 03       | 02/     | Code |        |
|              |               | /03/1998 | 20/1998 | s**\ |        |
|              |               |          |         | \--  |        |
|              |               |          |         | \--  |        |
|              |               |          |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| **Assignee** |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Design**\  | **Chief       | **S &    | **Pro   | *    |        |
| J. SANFORD   | Engineer**\   | MA**\    | ject**\ | *Pro |        |
|              | M. G. HARSH   | M.       | \--     | ject |        |
|              |               | SMILES   |         | MG   |        |
|              |               |          |         | R**\ |        |
|              |               |          |         | P.   |        |
|              |               |          |         | CO   |        |
|              |               |          |         | UNTS |        |
+--------------+---------------+----------+---------+------+--------+
| **Approval** |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Design**\  | **Chief       | **S &    | **Pro   | *    |        |
| J. SANFORD   | Engineer**\   | MA**\    | ject**\ | *Pro |        |
|              | M. G. HARSH   | J. GREEN | \--     | ject |        |
|              |               |          |         | MG   |        |
|              |               |          |         | R**\ |        |
|              |               |          |         | P.   |        |
|              |               |          |         | CO   |        |
|              |               |          |         | UNTS |        |
+--------------+---------------+----------+---------+------+--------+
| **PAC        | **PAC Review  | **MSFC   | **St    | *    |        |
| Assignee**\  | Complete**\   | Closure  | atus**\ | *F/A |        |
| R. TUCKER    | \--           | Date**\  | C -     | C    |        |
|              |               | 03       | CLOSED  | ompl |        |
|              |               | /30/1998 |         | etio |        |
|              |               |          |         | n**\ |        |
|              |               |          |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| **Problem    | **SEV**\      | *        | **      | **O  |        |
| Type**\      | \--           | *Program | REVL**\ | PRIN |        |
| \--          |               | Name**\  | \--     | 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**\         |          |         |      |        |
| \--          | N031678       |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Related    |               |          |         |      |        |
| Document     |               |          |         |      |        |
| Title**\     |               |          |         |      |        |
| \--          |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Related    | **Related     |          |         |      |        |
| Document     | Document      |          |         |      |        |
| Type**\      | ID**\         |          |         |      |        |
| \--          | \--           |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Related    |               |          |         |      |        |
| Document     |               |          |         |      |        |
| Title**\     |               |          |         |      |        |
| \--          |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Related    | **Related     |          |         |      |        |
| Document     | Document      |          |         |      |        |
| Type**\      | ID**\         |          |         |      |        |
| \--          | \--           |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Related    |               |          |         |      |        |
| Document     |               |          |         |      |        |
| Title**\     |               |          |         |      |        |
| \--          |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Contractor |               |          |         |      |        |
| Status       |               |          |         |      |        |
| Summary**    |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Reliabi    |               |          |         |      |        |
| lity/Quality |               |          |         |      |        |
| Assurance    |               |          |         |      |        |
| Concerns,    |               |          |         |      |        |
| Recomm       |               |          |         |      |        |
| endations:** |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Problem    |               |          |         |      |        |
| D            |               |          |         |      |        |
| escription** |               |          |         |      |        |
|              |               |          |         |      |        |
| THE LH2      |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE TO      |               |          |         |      |        |
| UMBILICAL    |               |          |         |      |        |
| JOINT WAS    |               |          |         |      |        |
| LEAKING AT A |               |          |         |      |        |
|              |               |          |         |      |        |
| RATE OF 52.0 |               |          |         |      |        |
| SCCM DURING  |               |          |         |      |        |
| THE          |               |          |         |      |        |
| PERFORMANCE  |               |          |         |      |        |
| OF THE       |               |          |         |      |        |
| LEAKAGE      |               |          |         |      |        |
|              |               |          |         |      |        |
| TEST         |               |          |         |      |        |
| TP-8C101-FA. |               |          |         |      |        |
| THIS EXCEEDS |               |          |         |      |        |
| THE          |               |          |         |      |        |
| ALLOWABLE    |               |          |         |      |        |
| LEAKAGE RATE |               |          |         |      |        |
| OF           |               |          |         |      |        |
|              |               |          |         |      |        |
| 10 SCCM      |               |          |         |      |        |
|              |               |          |         |      |        |
| CRITICALITY: |               |          |         |      |        |
| THIS IS A    |               |          |         |      |        |
| CRITICALITY  |               |          |         |      |        |
| 1 FAILURE AS |               |          |         |      |        |
| DESIGNATED   |               |          |         |      |        |
|              |               |          |         |      |        |
| BY PARAGRAPH |               |          |         |      |        |
| 2.6.1.1 IN   |               |          |         |      |        |
| THE FMEA     |               |          |         |      |        |
| DOCUMENT     |               |          |         |      |        |
| (MMC         |               |          |         |      |        |
| -ET-RAO4a-K) |               |          |         |      |        |
|              |               |          |         |      |        |
| \* REV. A    |               |          |         |      |        |
| (DATED       |               |          |         |      |        |
| 3/11/98)     |               |          |         |      |        |
| REVISES      |               |          |         |      |        |
| TASKS I, II  |               |          |         |      |        |
| AND IV,      |               |          |         |      |        |
| DETERMINED   |               |          |         |      |        |
|              |               |          |         |      |        |
| CAUSE AND    |               |          |         |      |        |
| CORRECTIVE   |               |          |         |      |        |
| ACTIONS AND  |               |          |         |      |        |
| CLOSED CAPS  |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Contractor |               |          |         |      |        |
| In           |               |          |         |      |        |
| vestigation/ |               |          |         |      |        |
| Resolution** |               |          |         |      |        |
|              |               |          |         |      |        |
| GENERAL:     |               |          |         |      |        |
|              |               |          |         |      |        |
| DURING THE   |               |          |         |      |        |
| SEAL CAVITY  |               |          |         |      |        |
| LEAK TEST    |               |          |         |      |        |
| PROCEDURE    |               |          |         |      |        |
| TP-8C101-FA  |               |          |         |      |        |
| ON THE       |               |          |         |      |        |
|              |               |          |         |      |        |
| JOINT        |               |          |         |      |        |
| BETWEEN THE  |               |          |         |      |        |
| LH2          |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE AND THE |               |          |         |      |        |
| UMBILICAL,   |               |          |         |      |        |
|              |               |          |         |      |        |
| A 52.0 SCCM  |               |          |         |      |        |
| HELIUM LEAK  |               |          |         |      |        |
| WAS DETECTED |               |          |         |      |        |
| (6.0 +/- .5  |               |          |         |      |        |
| PSIG APPLIED |               |          |         |      |        |
|              |               |          |         |      |        |
| PRESSURE).   |               |          |         |      |        |
| THIS EXCEEDS |               |          |         |      |        |
| THE          |               |          |         |      |        |
| ALLOWABLE    |               |          |         |      |        |
| LEAKAGE RATE |               |          |         |      |        |
| OF 10 SCCM   |               |          |         |      |        |
|              |               |          |         |      |        |
| THE          |               |          |         |      |        |
| FOLLOWING    |               |          |         |      |        |
| STEPS WERE   |               |          |         |      |        |
| IMPLEMENTED  |               |          |         |      |        |
| IN ORDER TO  |               |          |         |      |        |
| DETERMINE    |               |          |         |      |        |
| THE          |               |          |         |      |        |
|              |               |          |         |      |        |
| CAUSE OF THE |               |          |         |      |        |
| LEAK AT THE  |               |          |         |      |        |
| JOINT OF THE |               |          |         |      |        |
| LH2          |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE TO      |               |          |         |      |        |
|              |               |          |         |      |        |
| UMBILICAL    |               |          |         |      |        |
| I            |               |          |         |      |        |
| NSTALLATION: |               |          |         |      |        |
|              |               |          |         |      |        |
| A. THE       |               |          |         |      |        |
| HARDWARE AT  |               |          |         |      |        |
| THE LH2      |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE TO ET   |               |          |         |      |        |
| JOINT        |               |          |         |      |        |
|              |               |          |         |      |        |
| WAS LOOSENED |               |          |         |      |        |
| IN ORDER TO  |               |          |         |      |        |
| RELIEVE      |               |          |         |      |        |
| TENSION AND  |               |          |         |      |        |
| VERIFY THAT  |               |          |         |      |        |
|              |               |          |         |      |        |
| THE TORQUE   |               |          |         |      |        |
| ON THE       |               |          |         |      |        |
| HARDWARE     |               |          |         |      |        |
| THAT SECURES |               |          |         |      |        |
| THE LH2      |               |          |         |      |        |
|              |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE TO THE  |               |          |         |      |        |
| UMBILICAL    |               |          |         |      |        |
| MEETS        |               |          |         |      |        |
| ENGINEERING  |               |          |         |      |        |
|              |               |          |         |      |        |
| DRAWING      |               |          |         |      |        |
| REQUIREMENT  |               |          |         |      |        |
| OF 90 TO 100 |               |          |         |      |        |
| IN-LB. THE   |               |          |         |      |        |
| TORQUE       |               |          |         |      |        |
|              |               |          |         |      |        |
| VERIFICATION |               |          |         |      |        |
| TEST MET THE |               |          |         |      |        |
| ENGINEERING  |               |          |         |      |        |
| DRAWING      |               |          |         |      |        |
| R            |               |          |         |      |        |
| EQUIREMENTS, |               |          |         |      |        |
|              |               |          |         |      |        |
| AND A 52.0   |               |          |         |      |        |
| SCCM LEAK    |               |          |         |      |        |
| WAS STILL    |               |          |         |      |        |
| DETECTED     |               |          |         |      |        |
|              |               |          |         |      |        |
| B. THE LH2   |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE TO      |               |          |         |      |        |
| UMBILICAL    |               |          |         |      |        |
| JOINT WAS    |               |          |         |      |        |
|              |               |          |         |      |        |
| DISMANTLED   |               |          |         |      |        |
| IN ORDER TO  |               |          |         |      |        |
| PERFORM A    |               |          |         |      |        |
| VISUAL       |               |          |         |      |        |
| INSPECTION   |               |          |         |      |        |
| OF THE       |               |          |         |      |        |
|              |               |          |         |      |        |
| FLANGE AND   |               |          |         |      |        |
| SEAL         |               |          |         |      |        |
|              |               |          |         |      |        |
| TASK I.      |               |          |         |      |        |
| FAI          |               |          |         |      |        |
| LURE/PROBLEM |               |          |         |      |        |
| I            |               |          |         |      |        |
| NVESTIGATION |               |          |         |      |        |
|              |               |          |         |      |        |
| A. GENERATE  |               |          |         |      |        |
| FAILURE      |               |          |         |      |        |
| ANALYSIS     |               |          |         |      |        |
| PLAN AND     |               |          |         |      |        |
| EVALUATE     |               |          |         |      |        |
| SEAL AND     |               |          |         |      |        |
|              |               |          |         |      |        |
| SEALING      |               |          |         |      |        |
| SURFACES FOR |               |          |         |      |        |
| CONFORMANCE  |               |          |         |      |        |
| TO           |               |          |         |      |        |
| ENGINEERING  |               |          |         |      |        |
| R            |               |          |         |      |        |
| EQUIREMENTS, |               |          |         |      |        |
|              |               |          |         |      |        |
| AND CAUSE OF |               |          |         |      |        |
| FAILURE      |               |          |         |      |        |
|              |               |          |         |      |        |
| RES          |               |          |         |      |        |
| PONSIBILITY: |               |          |         |      |        |
| W.           |               |          |         |      |        |
| M            |               |          |         |      |        |
| ATTHEESSEN - |               |          |         |      |        |
| 3741/D.      |               |          |         |      |        |
| WESTPHAL -   |               |          |         |      |        |
| 3740         |               |          |         |      |        |
|              |               |          |         |      |        |
| R. MEYER -   |               |          |         |      |        |
| 4640/E.      |               |          |         |      |        |
| HORAK - 4600 |               |          |         |      |        |
|              |               |          |         |      |        |
| ECD: 3/8/98  |               |          |         |      |        |
|              |               |          |         |      |        |
| \* CLOSURE   |               |          |         |      |        |
| STATEMENT:   |               |          |         |      |        |
|              |               |          |         |      |        |
| UPON REMOVAL |               |          |         |      |        |
| OF THE LH2   |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE TO      |               |          |         |      |        |
| UMBILICAL    |               |          |         |      |        |
| JOINT,       |               |          |         |      |        |
|              |               |          |         |      |        |
| THE JOINT    |               |          |         |      |        |
| WAS EXAMINED |               |          |         |      |        |
| FOR          |               |          |         |      |        |
| I            |               |          |         |      |        |
| MPERFECTIONS |               |          |         |      |        |
| OR DAMAGE.   |               |          |         |      |        |
| ON THE       |               |          |         |      |        |
|              |               |          |         |      |        |
| UMBILICAL    |               |          |         |      |        |
| SIDE OF THE  |               |          |         |      |        |
| JOINT NO     |               |          |         |      |        |
| DEFECTS WERE |               |          |         |      |        |
| FOUND. ON    |               |          |         |      |        |
| THE LINE     |               |          |         |      |        |
|              |               |          |         |      |        |
| SIDE, A      |               |          |         |      |        |
| PIECE OF     |               |          |         |      |        |
| WHITE        |               |          |         |      |        |
| MATERIAL WAS |               |          |         |      |        |
| VISIBLE OVER |               |          |         |      |        |
| BOTH THE     |               |          |         |      |        |
|              |               |          |         |      |        |
| PRIMARY AND  |               |          |         |      |        |
| SECONDARY    |               |          |         |      |        |
| SEALING      |               |          |         |      |        |
| SURFACES.    |               |          |         |      |        |
| THIS         |               |          |         |      |        |
| MATERIAL WAS |               |          |         |      |        |
|              |               |          |         |      |        |
| REMOVED FOR  |               |          |         |      |        |
| EVALUATION.  |               |          |         |      |        |
| IT WAS       |               |          |         |      |        |
| DETERMINED   |               |          |         |      |        |
| THAT THE     |               |          |         |      |        |
| MATERIAL     |               |          |         |      |        |
|              |               |          |         |      |        |
| IS PART OF A |               |          |         |      |        |
| QUALITY      |               |          |         |      |        |
| CONTROL      |               |          |         |      |        |
| INSPECTIO    |               |          |         |      |        |
| N/NON-TAMPER |               |          |         |      |        |
| SEAL         |               |          |         |      |        |
|              |               |          |         |      |        |
| (\"EGG       |               |          |         |      |        |
| SHELL\")     |               |          |         |      |        |
| REFERENCE    |               |          |         |      |        |
| LAB REPORT   |               |          |         |      |        |
| 98O011       |               |          |         |      |        |
|              |               |          |         |      |        |
| THE          |               |          |         |      |        |
| ME2          |               |          |         |      |        |
| 61-0045-0006 |               |          |         |      |        |
| (NAFLEX      |               |          |         |      |        |
| SEAL) WAS    |               |          |         |      |        |
| VISUALLY     |               |          |         |      |        |
| INSPECTED,   |               |          |         |      |        |
| AND          |               |          |         |      |        |
|              |               |          |         |      |        |
| TWO AREAS OF |               |          |         |      |        |
| I            |               |          |         |      |        |
| MPERFECTIONS |               |          |         |      |        |
| WERE NOTED.  |               |          |         |      |        |
| A 5X         |               |          |         |      |        |
| INSPECTION   |               |          |         |      |        |
| SHOWED       |               |          |         |      |        |
|              |               |          |         |      |        |
| THREE AREAS  |               |          |         |      |        |
| OF CONCERN   |               |          |         |      |        |
| ON THE       |               |          |         |      |        |
| PRIMARY      |               |          |         |      |        |
| SEALING      |               |          |         |      |        |
| SURFACE. AT  |               |          |         |      |        |
|              |               |          |         |      |        |
| HIGHER       |               |          |         |      |        |
| M            |               |          |         |      |        |
| AGNIFICATION |               |          |         |      |        |
| (16X TO 60X) |               |          |         |      |        |
| TWO AREAS    |               |          |         |      |        |
| WERE         |               |          |         |      |        |
| DEFINITELY   |               |          |         |      |        |
|              |               |          |         |      |        |
| IDENTIFIED   |               |          |         |      |        |
| AS           |               |          |         |      |        |
| M            |               |          |         |      |        |
| ANUFACTURING |               |          |         |      |        |
| DEFECTS. THE |               |          |         |      |        |
| THIRD AREA   |               |          |         |      |        |
| IS A         |               |          |         |      |        |
|              |               |          |         |      |        |
| POSSIBLE     |               |          |         |      |        |
| M            |               |          |         |      |        |
| ANUFACTURING |               |          |         |      |        |
| DEFECT, BUT  |               |          |         |      |        |
| THIS CANNOT  |               |          |         |      |        |
| BE           |               |          |         |      |        |
| CONCLUSIVELY |               |          |         |      |        |
|              |               |          |         |      |        |
| DETERMINED.  |               |          |         |      |        |
| THE PRIMARY  |               |          |         |      |        |
| SEAL         |               |          |         |      |        |
| NON          |               |          |         |      |        |
| CONFORMANCES |               |          |         |      |        |
| WERE         |               |          |         |      |        |
| REPORTED TO  |               |          |         |      |        |
|              |               |          |         |      |        |
| BOEING NORTH |               |          |         |      |        |
| AMERICAN     |               |          |         |      |        |
| (BNA) BY THE |               |          |         |      |        |
| PROJECT      |               |          |         |      |        |
| PLANNING ET  |               |          |         |      |        |
| GFP          |               |          |         |      |        |
|              |               |          |         |      |        |
| COORDINATOR. |               |          |         |      |        |
| BNA          |               |          |         |      |        |
| REQUESTED NO |               |          |         |      |        |
| FURTHER      |               |          |         |      |        |
| EVALUATION   |               |          |         |      |        |
| BE PERFORMED |               |          |         |      |        |
|              |               |          |         |      |        |
| AND THAT THE |               |          |         |      |        |
| SEAL BE      |               |          |         |      |        |
| RETURNED TO  |               |          |         |      |        |
| BNA          |               |          |         |      |        |
|              |               |          |         |      |        |
| CONSIDERING  |               |          |         |      |        |
| THE ABOVE    |               |          |         |      |        |
| INFORMATION, |               |          |         |      |        |
| IT CANNOT BE |               |          |         |      |        |
| DETERMINED   |               |          |         |      |        |
| IF           |               |          |         |      |        |
|              |               |          |         |      |        |
| EITHER ONE   |               |          |         |      |        |
| OF THE       |               |          |         |      |        |
| DEFECTS      |               |          |         |      |        |
| NOTED ABOVE  |               |          |         |      |        |
| COULD HAVE,  |               |          |         |      |        |
| BY ITSELF,   |               |          |         |      |        |
|              |               |          |         |      |        |
| CAUSED AN    |               |          |         |      |        |
| UNACCEPTABLE |               |          |         |      |        |
| LEAK RATE.   |               |          |         |      |        |
| TOGETHER     |               |          |         |      |        |
| BOTH DEFECTS |               |          |         |      |        |
| DID          |               |          |         |      |        |
|              |               |          |         |      |        |
| CAUSE AN     |               |          |         |      |        |
| UNACCEPTABLE |               |          |         |      |        |
| CONDITION    |               |          |         |      |        |
|              |               |          |         |      |        |
| AFTER        |               |          |         |      |        |
| CLEANING,    |               |          |         |      |        |
| THE LINE WAS |               |          |         |      |        |
| INSTALLED    |               |          |         |      |        |
| WITH A NEW   |               |          |         |      |        |
| SEAL AND     |               |          |         |      |        |
|              |               |          |         |      |        |
| PASSED       |               |          |         |      |        |
| ACCEPTANCE   |               |          |         |      |        |
| TESTING      |               |          |         |      |        |
|              |               |          |         |      |        |
| \* B. REVIEW |               |          |         |      |        |
| THE          |               |          |         |      |        |
| INSTALLATION |               |          |         |      |        |
| PROCESS TO   |               |          |         |      |        |
| DETERMINE    |               |          |         |      |        |
| THE TRANSFER |               |          |         |      |        |
|              |               |          |         |      |        |
| MECHANISM OF |               |          |         |      |        |
| THE          |               |          |         |      |        |
| NON-TAMPER   |               |          |         |      |        |
| SEALS TO THE |               |          |         |      |        |
| SEALING      |               |          |         |      |        |
| SURFACE      |               |          |         |      |        |
|              |               |          |         |      |        |
| RES          |               |          |         |      |        |
| PONSIBILITY: |               |          |         |      |        |
| W.           |               |          |         |      |        |
| M            |               |          |         |      |        |
| ATTHEESSEN - |               |          |         |      |        |
| 3741/D.      |               |          |         |      |        |
| WESTPAHL -   |               |          |         |      |        |
| 3740         |               |          |         |      |        |
|              |               |          |         |      |        |
| ECD:         |               |          |         |      |        |
| 3/8/1998     |               |          |         |      |        |
|              |               |          |         |      |        |
| COMPLETE:    |               |          |         |      |        |
| 2/23/1998    |               |          |         |      |        |
|              |               |          |         |      |        |
| CLOSURE      |               |          |         |      |        |
| STATEMENT    |               |          |         |      |        |
|              |               |          |         |      |        |
| THE          |               |          |         |      |        |
| I            |               |          |         |      |        |
| NVESTIGATION |               |          |         |      |        |
| DEMONSTRATED |               |          |         |      |        |
| THAT DURING  |               |          |         |      |        |
| REMOVAL OF   |               |          |         |      |        |
| THE          |               |          |         |      |        |
|              |               |          |         |      |        |
| NON-TAMPER   |               |          |         |      |        |
| SEAL FROM A  |               |          |         |      |        |
| CLEAN PART,  |               |          |         |      |        |
| IT CAN       |               |          |         |      |        |
| BECOME       |               |          |         |      |        |
| ATTACHED TO  |               |          |         |      |        |
|              |               |          |         |      |        |
| THE CLEAN    |               |          |         |      |        |
| WHITE NYLON  |               |          |         |      |        |
| GLOVES USED  |               |          |         |      |        |
| IN THIS      |               |          |         |      |        |
| OPERATION.   |               |          |         |      |        |
| THE          |               |          |         |      |        |
|              |               |          |         |      |        |
| WHITE SEAL   |               |          |         |      |        |
| ON THE WHITE |               |          |         |      |        |
| GLOVE CAN BE |               |          |         |      |        |
| DIFFICULT TO |               |          |         |      |        |
| DETECT. THIS |               |          |         |      |        |
|              |               |          |         |      |        |
| HYPOTHESIS   |               |          |         |      |        |
| WAS          |               |          |         |      |        |
| CONFIRMED    |               |          |         |      |        |
| THROUGH      |               |          |         |      |        |
| DISCUSSIONS  |               |          |         |      |        |
| WITH THE     |               |          |         |      |        |
|              |               |          |         |      |        |
| P            |               |          |         |      |        |
| RACTITIONERS |               |          |         |      |        |
| INVOLVED IN  |               |          |         |      |        |
| THE          |               |          |         |      |        |
| OPERATION.   |               |          |         |      |        |
| ADDITIONAL   |               |          |         |      |        |
| EVALUATION   |               |          |         |      |        |
|              |               |          |         |      |        |
| SHOWED THE   |               |          |         |      |        |
| NON-TAMPER   |               |          |         |      |        |
| SEAL WOULD   |               |          |         |      |        |
| NOT COME OFF |               |          |         |      |        |
| A GLOVE      |               |          |         |      |        |
| EXCEPT       |               |          |         |      |        |
|              |               |          |         |      |        |
| FOR          |               |          |         |      |        |
| TRANSFERRING |               |          |         |      |        |
| TO ANOTHER   |               |          |         |      |        |
| SURFACE. THE |               |          |         |      |        |
| ONLY         |               |          |         |      |        |
| AVAILABLE    |               |          |         |      |        |
|              |               |          |         |      |        |
| SURFACES ARE |               |          |         |      |        |
| THE FLANGE   |               |          |         |      |        |
| EXTERIOR,    |               |          |         |      |        |
| FLANGE       |               |          |         |      |        |
| SEALING      |               |          |         |      |        |
| SURFACES,    |               |          |         |      |        |
| AND          |               |          |         |      |        |
|              |               |          |         |      |        |
| THE SEAL.    |               |          |         |      |        |
| THE FIRST    |               |          |         |      |        |
| CASE IS      |               |          |         |      |        |
| EXTERIOR TO  |               |          |         |      |        |
| SERVICE      |               |          |         |      |        |
| MEDIA, AND   |               |          |         |      |        |
| OF           |               |          |         |      |        |
|              |               |          |         |      |        |
| NO CONCERN.  |               |          |         |      |        |
| THE SECOND   |               |          |         |      |        |
| AND THIRD    |               |          |         |      |        |
| CASES WOULD  |               |          |         |      |        |
| EITHER BE    |               |          |         |      |        |
|              |               |          |         |      |        |
| EXTERIOR TO  |               |          |         |      |        |
| THE SERVICE  |               |          |         |      |        |
| MEDIA OR     |               |          |         |      |        |
| CAUSE A LEAK |               |          |         |      |        |
| WHICH WOULD  |               |          |         |      |        |
| BE           |               |          |         |      |        |
|              |               |          |         |      |        |
| DETECTED     |               |          |         |      |        |
|              |               |          |         |      |        |
| \* C.        |               |          |         |      |        |
| EVALUATE AND |               |          |         |      |        |
| PURCHASE NEW |               |          |         |      |        |
| HIGHER       |               |          |         |      |        |
| CONTRAST,    |               |          |         |      |        |
| AGAINST      |               |          |         |      |        |
| WHITE        |               |          |         |      |        |
|              |               |          |         |      |        |
| CLEAN ROOM   |               |          |         |      |        |
| GLOVES,      |               |          |         |      |        |
| QUALITY      |               |          |         |      |        |
| CONTROL      |               |          |         |      |        |
| SEALS        |               |          |         |      |        |
|              |               |          |         |      |        |
| RES          |               |          |         |      |        |
| PONSIBILITY: |               |          |         |      |        |
| D. OWENS -   |               |          |         |      |        |
| 3760         |               |          |         |      |        |
|              |               |          |         |      |        |
| ECD:         |               |          |         |      |        |
| 4/8/1998     |               |          |         |      |        |
|              |               |          |         |      |        |
| COMPLETE:    |               |          |         |      |        |
| 3/5/1998     |               |          |         |      |        |
|              |               |          |         |      |        |
| CLOSURE      |               |          |         |      |        |
| STATEMENT:   |               |          |         |      |        |
|              |               |          |         |      |        |
| NEW          |               |          |         |      |        |
| INSPECTION   |               |          |         |      |        |
| SEALS HAVE   |               |          |         |      |        |
| BEEN ORDERED |               |          |         |      |        |
| IN COLORS    |               |          |         |      |        |
| THAT ARE IN  |               |          |         |      |        |
|              |               |          |         |      |        |
| SHARP        |               |          |         |      |        |
| CONTRAST     |               |          |         |      |        |
| WITH THE     |               |          |         |      |        |
| WHITE GLOVES |               |          |         |      |        |
| (REF.: RDS#: |               |          |         |      |        |
| 78987)       |               |          |         |      |        |
|              |               |          |         |      |        |
| \* D. INFORM |               |          |         |      |        |
| ALL          |               |          |         |      |        |
| RESPONSIBLE  |               |          |         |      |        |
| P            |               |          |         |      |        |
| RACTITIONERS |               |          |         |      |        |
| OF THE       |               |          |         |      |        |
| IMPORTANCE   |               |          |         |      |        |
| THAT         |               |          |         |      |        |
|              |               |          |         |      |        |
| ALL          |               |          |         |      |        |
| HARDWARE,    |               |          |         |      |        |
| TOOLS, AND   |               |          |         |      |        |
| PROTECTIVE   |               |          |         |      |        |
| GARMENTS ARE |               |          |         |      |        |
| FREE OF      |               |          |         |      |        |
|              |               |          |         |      |        |
| C            |               |          |         |      |        |
| ONTAMINATION |               |          |         |      |        |
|              |               |          |         |      |        |
| RES          |               |          |         |      |        |
| PONSIBILITY: |               |          |         |      |        |
| J. STANLEY - |               |          |         |      |        |
| 3630         |               |          |         |      |        |
|              |               |          |         |      |        |
| ECD:         |               |          |         |      |        |
| 4/8/1998     |               |          |         |      |        |
|              |               |          |         |      |        |
| COMPLETE:    |               |          |         |      |        |
| 3/5/1998     |               |          |         |      |        |
|              |               |          |         |      |        |
| CLOSURE      |               |          |         |      |        |
| STATEMENT:   |               |          |         |      |        |
|              |               |          |         |      |        |
| P            |               |          |         |      |        |
| RACTITIONERS |               |          |         |      |        |
| HAVE BEEN    |               |          |         |      |        |
| INSTRUCTED   |               |          |         |      |        |
| VIA CREW     |               |          |         |      |        |
| MEETINGS TO  |               |          |         |      |        |
| ASSURE       |               |          |         |      |        |
|              |               |          |         |      |        |
| THAT         |               |          |         |      |        |
| HARDWARE,    |               |          |         |      |        |
| TOOLS, AND   |               |          |         |      |        |
| PROTECTIVE   |               |          |         |      |        |
| GARMENTS ARE |               |          |         |      |        |
| FREE OF      |               |          |         |      |        |
|              |               |          |         |      |        |
| CO           |               |          |         |      |        |
| NTAMINATION. |               |          |         |      |        |
| (REF.:       |               |          |         |      |        |
| ccMAIL FROM  |               |          |         |      |        |
| M. HOLCOMB   |               |          |         |      |        |
| DATED        |               |          |         |      |        |
| 3/5/98)      |               |          |         |      |        |
|              |               |          |         |      |        |
| CAUSE:       |               |          |         |      |        |
|              |               |          |         |      |        |
| \* 1.        |               |          |         |      |        |
| M            |               |          |         |      |        |
| ANUFACTURING |               |          |         |      |        |
| DEFECT ON    |               |          |         |      |        |
| GFP NAFLEX   |               |          |         |      |        |
| SEAL         |               |          |         |      |        |
|              |               |          |         |      |        |
| \* 2.        |               |          |         |      |        |
| CONTAMINATED |               |          |         |      |        |
| SEALING      |               |          |         |      |        |
| SURFACE ON   |               |          |         |      |        |
| LH2          |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE         |               |          |         |      |        |
|              |               |          |         |      |        |
| TASK II.     |               |          |         |      |        |
| CORRECTIVE   |               |          |         |      |        |
| ACTION       |               |          |         |      |        |
|              |               |          |         |      |        |
| \* A. GFP    |               |          |         |      |        |
| NAFLEX SEAL  |               |          |         |      |        |
|              |               |          |         |      |        |
| NONE, GFP    |               |          |         |      |        |
| HARDWARE.    |               |          |         |      |        |
| GFP SEAL     |               |          |         |      |        |
| RETURNED TO  |               |          |         |      |        |
| BOEING NORTH |               |          |         |      |        |
| AMERICAN     |               |          |         |      |        |
|              |               |          |         |      |        |
| FOR          |               |          |         |      |        |
| I            |               |          |         |      |        |
| NVESTIGATION |               |          |         |      |        |
| PER          |               |          |         |      |        |
| CONTRACTS    |               |          |         |      |        |
| DIRECTION.   |               |          |         |      |        |
| THIS WILL BE |               |          |         |      |        |
|              |               |          |         |      |        |
| TRACKED BY   |               |          |         |      |        |
| STANDARD     |               |          |         |      |        |
| MSFC         |               |          |         |      |        |
| TRACKING     |               |          |         |      |        |
| SYSTEM FOR   |               |          |         |      |        |
| GFP PROBLEMS |               |          |         |      |        |
|              |               |          |         |      |        |
| \* B.        |               |          |         |      |        |
| C            |               |          |         |      |        |
| ONTAMINATION |               |          |         |      |        |
| ON LH2       |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE FLANGE  |               |          |         |      |        |
|              |               |          |         |      |        |
| 1\. NEW      |               |          |         |      |        |
| INSPECTION   |               |          |         |      |        |
| SEALS HAVE   |               |          |         |      |        |
| BEEN ORDERED |               |          |         |      |        |
| IN COLORS    |               |          |         |      |        |
| THAT ARE     |               |          |         |      |        |
|              |               |          |         |      |        |
| IN SHARP     |               |          |         |      |        |
| CONTRAST     |               |          |         |      |        |
| WITH THE     |               |          |         |      |        |
| WHITE GLOVES |               |          |         |      |        |
|              |               |          |         |      |        |
| 2\.          |               |          |         |      |        |
| P            |               |          |         |      |        |
| RACTITIONERS |               |          |         |      |        |
| HAVE BEEN    |               |          |         |      |        |
| INSTRUCTED   |               |          |         |      |        |
| VIA CREW     |               |          |         |      |        |
| MEETINGS TO  |               |          |         |      |        |
|              |               |          |         |      |        |
| ASSURE THAT  |               |          |         |      |        |
| HARDWARE,    |               |          |         |      |        |
| TOOLS, AND   |               |          |         |      |        |
| PROTECTIVE   |               |          |         |      |        |
| GARMENTS ARE |               |          |         |      |        |
|              |               |          |         |      |        |
| FREE OF      |               |          |         |      |        |
| C            |               |          |         |      |        |
| ONTAMINATION |               |          |         |      |        |
|              |               |          |         |      |        |
| TASK III.    |               |          |         |      |        |
| CLEARANCE OF |               |          |         |      |        |
| E            |               |          |         |      |        |
| FFECTIVITIES |               |          |         |      |        |
|              |               |          |         |      |        |
| ALL ET\'S    |               |          |         |      |        |
| CLEARED. THE |               |          |         |      |        |
| PURPOSE OF   |               |          |         |      |        |
| LEAK TESTING |               |          |         |      |        |
| IS TO FILTER |               |          |         |      |        |
| OUT          |               |          |         |      |        |
|              |               |          |         |      |        |
| SUCH         |               |          |         |      |        |
| DI           |               |          |         |      |        |
| SCREPANCIES. |               |          |         |      |        |
| ALL          |               |          |         |      |        |
| INSTALLED    |               |          |         |      |        |
| JOINTS       |               |          |         |      |        |
| PASSED TM04  |               |          |         |      |        |
| REQUIRED     |               |          |         |      |        |
|              |               |          |         |      |        |
| LEAK TEST    |               |          |         |      |        |
|              |               |          |         |      |        |
| TASK IV.     |               |          |         |      |        |
| CAPS CLOSURE |               |          |         |      |        |
| SUMMARY      |               |          |         |      |        |
|              |               |          |         |      |        |
| \* DURING    |               |          |         |      |        |
| THE STANDARD |               |          |         |      |        |
| SEAL CAVITY  |               |          |         |      |        |
| LEAK TEST    |               |          |         |      |        |
| PROCEDURE    |               |          |         |      |        |
| TP-8C101-FA  |               |          |         |      |        |
|              |               |          |         |      |        |
| ON THE JOINT |               |          |         |      |        |
| BETWEEN THE  |               |          |         |      |        |
| LH2          |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE AND THE |               |          |         |      |        |
| UMBILICAL,   |               |          |         |      |        |
|              |               |          |         |      |        |
| A 52.0 SCCM  |               |          |         |      |        |
| HELIUM LEAK  |               |          |         |      |        |
| WAS DETECTED |               |          |         |      |        |
| (6.0 +/- .5  |               |          |         |      |        |
| PSIG APPLIED |               |          |         |      |        |
|              |               |          |         |      |        |
| PRESSURE).   |               |          |         |      |        |
| THIS EXCEEDS |               |          |         |      |        |
| THE          |               |          |         |      |        |
| ALLOWABLE    |               |          |         |      |        |
| LEAKAGE RATE |               |          |         |      |        |
| OF 10 SCCM   |               |          |         |      |        |
|              |               |          |         |      |        |
| AFTER        |               |          |         |      |        |
| I            |               |          |         |      |        |
| NVESTIGATION |               |          |         |      |        |
| IT WAS       |               |          |         |      |        |
| DETERMINED   |               |          |         |      |        |
| THAT THERE   |               |          |         |      |        |
| WERE TWO     |               |          |         |      |        |
| POSSIBLE     |               |          |         |      |        |
|              |               |          |         |      |        |
| CAUSES THAT  |               |          |         |      |        |
| COULD HAVE   |               |          |         |      |        |
| BOTH         |               |          |         |      |        |
| CONTRIBUTED  |               |          |         |      |        |
| TO THE       |               |          |         |      |        |
| LEAKAGE:     |               |          |         |      |        |
|              |               |          |         |      |        |
| 1\. Q.C.     |               |          |         |      |        |
| INSPECTION   |               |          |         |      |        |
| SEAL FOUND   |               |          |         |      |        |
| ON THE       |               |          |         |      |        |
| PRIMARY AND  |               |          |         |      |        |
| SECONDARY    |               |          |         |      |        |
|              |               |          |         |      |        |
| SEALING      |               |          |         |      |        |
| SURFACES OF  |               |          |         |      |        |
| THE LH2      |               |          |         |      |        |
| R            |               |          |         |      |        |
| ECIRCULATION |               |          |         |      |        |
| LINE FLANGE  |               |          |         |      |        |
|              |               |          |         |      |        |
| 2\. SEVERAL  |               |          |         |      |        |
| M            |               |          |         |      |        |
| ANUFACTURING |               |          |         |      |        |
| DEFECTS WERE |               |          |         |      |        |
| FOUND ON THE |               |          |         |      |        |
| GFP SEAL     |               |          |         |      |        |
| PRIMARY      |               |          |         |      |        |
|              |               |          |         |      |        |
| SEALING      |               |          |         |      |        |
| SURFACE      |               |          |         |      |        |
|              |               |          |         |      |        |
| THE GFP SEAL |               |          |         |      |        |
| HAS BEEN     |               |          |         |      |        |
| RETURNED TO  |               |          |         |      |        |
| BOEING NORTH |               |          |         |      |        |
| AMERICAN FOR |               |          |         |      |        |
|              |               |          |         |      |        |
| I            |               |          |         |      |        |
| NVESTIGATION |               |          |         |      |        |
| PER          |               |          |         |      |        |
| CONTRACTS    |               |          |         |      |        |
| DIRECTION.   |               |          |         |      |        |
| THE          |               |          |         |      |        |
| P            |               |          |         |      |        |
| RACTITIONERS |               |          |         |      |        |
| HAVE         |               |          |         |      |        |
|              |               |          |         |      |        |
| BEEN         |               |          |         |      |        |
| INFORMED VIA |               |          |         |      |        |
| CREW         |               |          |         |      |        |
| MEETINGS OF  |               |          |         |      |        |
| THE NEED TO  |               |          |         |      |        |
| ASSURE THAT  |               |          |         |      |        |
|              |               |          |         |      |        |
| HARDWARE,    |               |          |         |      |        |
| TOOLS, AND   |               |          |         |      |        |
| PROTECTIVE   |               |          |         |      |        |
| GARMENTS ARE |               |          |         |      |        |
| FREE OF      |               |          |         |      |        |
|              |               |          |         |      |        |
| CO           |               |          |         |      |        |
| NTAMINATION. |               |          |         |      |        |
| IN ADDITION, |               |          |         |      |        |
| NEW          |               |          |         |      |        |
| INSPECTION   |               |          |         |      |        |
| SEALS HAVE   |               |          |         |      |        |
| BEEN         |               |          |         |      |        |
|              |               |          |         |      |        |
| ORDERED IN   |               |          |         |      |        |
| COLORS THAT  |               |          |         |      |        |
| ARE IN SHARP |               |          |         |      |        |
| CONTRAST TO  |               |          |         |      |        |
| THE WHITE    |               |          |         |      |        |
| CLEAN        |               |          |         |      |        |
|              |               |          |         |      |        |
| GLOVES       |               |          |         |      |        |
|              |               |          |         |      |        |
| THIS CAPS IS |               |          |         |      |        |
| CLOSED. NO   |               |          |         |      |        |
| FURTHER      |               |          |         |      |        |
| ACTION       |               |          |         |      |        |
| REQUIRED     |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **MSFC       |               |          |         |      |        |
| Response/C   |               |          |         |      |        |
| oncurrence** |               |          |         |      |        |
|              |               |          |         |      |        |
| 03/03/98 -   |               |          |         |      |        |
| MSFC         |               |          |         |      |        |
| APPROVES     |               |          |         |      |        |
| CLOSED WITH  |               |          |         |      |        |
| ACTION       |               |          |         |      |        |
| STATUS. THIS |               |          |         |      |        |
| STATUS IS    |               |          |         |      |        |
|              |               |          |         |      |        |
| EFFECTIVE    |               |          |         |      |        |
| THROUGH      |               |          |         |      |        |
| 06/08/98     |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+

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

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

  ----------------- ----------------------- ---------------- ----------- ----------- ------------
  **MSFC Report#**\ **IFA#**\               **Contractor     **JSC#**\   **KSC#**\   **EICN#**\
  A17243            \--                     RPT#**\          \--         \--         \--
                                            P-083                                    

  **Asmnt Part#**\  **Asmnt Part Name**\    **Asmnt                                  
  80921011009-509   LH2 RECIRCULATION LN    Serial/Lot#**\                           
                                            \--                                      

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

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

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

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

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

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

  **MAJOR DESIGN                                                                     
  CHANGES**                                                                          

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

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