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

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

+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **In-Flight   | **C       | **      | *    |        |
| Record \#**\ | Anomaly       | ontractor | JSC#**\ | *KSC |        |
| A12525       | Number**\     | Report    | \--     | #**\ |        |
|              | \--           | Number**\ |         | \--  |        |
|              |               | P-065     |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| LH2          |               |           |         |      |        |
| PROPELLANT   |               |           |         |      |        |
| FEEDLINE     |               |           |         |      |        |
| LEAKS IN THE |               |           |         |      |        |
| OUTER ARGON  |               |           |         |      |        |
| JACKET       |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Cont    | **F     | **   |        |
| \--          | ET            | ractor**\ | SCM#**\ | FCRI |        |
|              |               | MMMSS     | \--     | T**\ |        |
|              |               |           |         | 3    |        |
+--------------+---------------+-----------+---------+------+--------+
| **HCRIT**\   | **Sys_Lvl**\  | **Misc    |         |      |        |
| 1            | N             | 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          | \--           | \--       | \--     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Test/      | **Prevailing  | **F /     | **Fail  | **   |        |
| Operation**\ | Condtion**\   | U**\      | Mode**\ | Caus |        |
| A - ATP      | E -           | F         | MS -    | e**\ |        |
|              | ENVIRONMENT   |           | STRUCT  | MA - |        |
|              |               |           |         | MFG  |        |
|              |               |           |         | -ASY |        |
+--------------+---------------+-----------+---------+------+--------+
| **System**\  | **Defect**\   | **Ma      | **Work  | **   |        |
| PROPULSION   | CR - CORROD   | terial**\ | Con     | Fail |        |
|              |               | S -       | tact**\ | Dat  |        |
|              |               | STRUCT    | \--     | e**\ |        |
|              |               |           |         | 10   |        |
|              |               |           |         | /03/ |        |
|              |               |           |         | 1989 |        |
+--------------+---------------+-----------+---------+------+--------+
| **Received   | **Date        | **FMEA    | **IFA:  | *    |        |
| at MSFC**\   | Isolated**\   | Ref       | Mission | *Mis |        |
| 10/11/1989   | \--           | erence**\ | P       | sion |        |
|              |               | 2.5.8.2   | hase**\ | Ela  |        |
|              |               |           | \--     | psed |        |
|              |               |           |         | Tim  |        |
|              |               |           |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               | **S       |         | **   |        |
| *Location**\ |               | ymptom**\ |         | Time |        |
| ARROWHEAD    |               | MV - EXT  |         | Cycl |        |
|              |               | LEAK      |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               |           |         |      |        |
| *Effectivity |               |           |         |      |        |
| Text**\      |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Vehicle    |               |           |         |      |        |
| Effectivity  |               |           |         |      |        |
| Codes**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Vehicle    | **Vehicle     | **Vehicle | **      | *    |        |
| 1**\         | 2**\          | 3**\      | Vehicle | *Veh |        |
| \--          | \--           | \--       | 4**\    | icle |        |
|              |               |           | \--     | 5**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Mission    |               |           |         |      |        |
| Effectivity  |               |           |         |      |        |
| Codes**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Mssn 1**\  | **Mssn 2**\   | **Mssn    | **Mssn  | **   |        |
| \--          | \--           | 3**\      | 4**\    | Mssn |        |
|              |               | \--       | \--     | 5**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Estimated  |               |           |         |      |        |
| Completion   |               |           |         |      |        |
| Dates**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **Contractor  | **LVL 3   | *       |      |        |
| Approved     | Req Defer     | Close**\  | *Remark |      |        |
| Defer Until  | Until Date**\ | \--       | /       |      |        |
| Date**\      | \--           |           | Ac      |      |        |
| \--          |               |           | tion**\ |      |        |
|              |               |           | \--     |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **I          |               |           |         |      |        |
| nvestigation |               |           |         |      |        |
| / Resolution |               |           |         |      |        |
| Summary**    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Last MSFC  | **CN RSLV     | **Defer   | **Add   | *    |        |
| Update**\    | SBMT**\       | Date**\   | Date**\ | *R/C |        |
| 02/10/1995   | \--           | \--       | 10/     | Code |        |
|              |               |           | 12/1989 | s**\ |        |
|              |               |           |         | 2 -  |        |
|              |               |           |         | MFG  |        |
|              |               |           |         | \--  |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Assignee** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| W. PATTERSON | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | M. PESSIN     | R.        | \--     | ject |        |
|              |               | JACKSON   |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | G.   |        |
|              |               |           |         | LA   |        |
|              |               |           |         | DNER |        |
+--------------+---------------+-----------+---------+------+--------+
| **Approval** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| W. PATTERSON | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | M. PESSIN     | R.        | \--     | ject |        |
|              |               | JACKSON   |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | G.   |        |
|              |               |           |         | LA   |        |
|              |               |           |         | DNER |        |
+--------------+---------------+-----------+---------+------+--------+
| **PAC        | **PAC Review  | **MSFC    | **St    | *    |        |
| Assignee**\  | Complete**\   | Closure   | atus**\ | *F/A |        |
| T. HESTER    | TH            | Date**\   | C -     | C    |        |
|              |               | 0         | CLOSED  | ompl |        |
|              |               | 5/07/1990 |         | etio |        |
|              |               |           |         | n**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    | **SEV**\      | **Program | **      | **O  |        |
| Type**\      | \--           | Name**\   | REVL**\ | PRIN |        |
| \--          |               | \--       | \--     | C**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **FUNC       | **Software    | *         |         | **SU | **So   |
| MOD**\       | E             | *Software |         | BTYP | ftware |
| \--          | ffectivity**\ | Fail      |         | E**\ | C      |
|              | \-- \-- \--   | CD**\     |         | \--  | losure |
|              | \-- \--       | \--       |         |      | CD**\  |
|              |               |           |         |      | \--    |
+--------------+---------------+-----------+---------+------+--------+
| **RES PERSON | **Approval    |           |         |      |        |
| L2**\        | Signature     |           |         |      |        |
| \--          | L3**\         |           |         |      |        |
|              | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **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 A     |               |           |         |      |        |
| PRE-ATP LEAK |               |           |         |      |        |
| TEST ON A    |               |           |         |      |        |
| LH2          |               |           |         |      |        |
| PROPELLANT   |               |           |         |      |        |
| FEEDLINE     |               |           |         |      |        |
| (PD4800184), |               |           |         |      |        |
| A            |               |           |         |      |        |
|              |               |           |         |      |        |
| LEAK WAS     |               |           |         |      |        |
| DETECTED IN  |               |           |         |      |        |
| THE OUTER    |               |           |         |      |        |
| ARGON        |               |           |         |      |        |
| JACKET. THIS |               |           |         |      |        |
| LEAK TEST IS |               |           |         |      |        |
| THE LAST     |               |           |         |      |        |
|              |               |           |         |      |        |
| ONE          |               |           |         |      |        |
| PERFORMED    |               |           |         |      |        |
| PRIOR TO     |               |           |         |      |        |
| ARGON        |               |           |         |      |        |
| FILLING AND  |               |           |         |      |        |
| PRIOR TO     |               |           |         |      |        |
| ATP.         |               |           |         |      |        |
| REPLACEMENT  |               |           |         |      |        |
|              |               |           |         |      |        |
| PARTS WERE   |               |           |         |      |        |
| TESTED AT    |               |           |         |      |        |
| SUB-ASSEMBLY |               |           |         |      |        |
| LEVELS AND   |               |           |         |      |        |
| LEAKAGE      |               |           |         |      |        |
| OCCURRED.    |               |           |         |      |        |
| THIS         |               |           |         |      |        |
|              |               |           |         |      |        |
| PROMPTED AN  |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| BY ARROWHEAD |               |           |         |      |        |
| TO PERFORM A |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| ANALYSIS ON  |               |           |         |      |        |
|              |               |           |         |      |        |
| THESE PARTS  |               |           |         |      |        |
| TO DETERMINE |               |           |         |      |        |
| THE CAUSE    |               |           |         |      |        |
| FOR THE      |               |           |         |      |        |
| LEAKING      |               |           |         |      |        |
| CONDITION.   |               |           |         |      |        |
| IT WAS       |               |           |         |      |        |
|              |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| THAT THE     |               |           |         |      |        |
| LEAK         |               |           |         |      |        |
| OCCURRED     |               |           |         |      |        |
| FROM         |               |           |         |      |        |
| CORROSION    |               |           |         |      |        |
| THROUGH THE  |               |           |         |      |        |
| THREE PLIES  |               |           |         |      |        |
|              |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| 21-6-9       |               |           |         |      |        |
| STAINLESS    |               |           |         |      |        |
| STEEL PART.  |               |           |         |      |        |
| FURTHER      |               |           |         |      |        |
| ANALYSES     |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| PERFORMED BY |               |           |         |      |        |
|              |               |           |         |      |        |
| MAF          |               |           |         |      |        |
| PERSONNEL    |               |           |         |      |        |
| AND          |               |           |         |      |        |
| CONFIRMED    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| CONDITION OF |               |           |         |      |        |
| STRESS       |               |           |         |      |        |
| CORROSION    |               |           |         |      |        |
| CRACKING     |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| CORROSIVE    |               |           |         |      |        |
| CONDITION    |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| SUSPECTED TO |               |           |         |      |        |
| BE CAUSED BY |               |           |         |      |        |
| THE          |               |           |         |      |        |
| INTRUSION OF |               |           |         |      |        |
|              |               |           |         |      |        |
| CHLORIDE     |               |           |         |      |        |
| BEARING      |               |           |         |      |        |
| WATER INTO   |               |           |         |      |        |
| THE PLIES    |               |           |         |      |        |
| DURING A     |               |           |         |      |        |
| SEAM WELD    |               |           |         |      |        |
| PROCESS AND  |               |           |         |      |        |
|              |               |           |         |      |        |
| OTHER        |               |           |         |      |        |
| CONTRIBUTING |               |           |         |      |        |
| FACTORS      |               |           |         |      |        |
|              |               |           |         |      |        |
| OTHER        |               |           |         |      |        |
| BELLOWS      |               |           |         |      |        |
| LINES        |               |           |         |      |        |
| CONSTRUCTED  |               |           |         |      |        |
| BY ARROWHEAD |               |           |         |      |        |
| OF 21-6-9    |               |           |         |      |        |
| STAINLESS    |               |           |         |      |        |
| STEEL        |               |           |         |      |        |
|              |               |           |         |      |        |
| ARE:         |               |           |         |      |        |
|              |               |           |         |      |        |
| PD4800178    |               |           |         |      |        |
| LH2          |               |           |         |      |        |
| R            |               |           |         |      |        |
| ECIRCULATION |               |           |         |      |        |
| LINE (1)     |               |           |         |      |        |
|              |               |           |         |      |        |
| PD4800175    |               |           |         |      |        |
| L02          |               |           |         |      |        |
| PROPELLANT   |               |           |         |      |        |
| FEEDLINE (3) |               |           |         |      |        |
|              |               |           |         |      |        |
| PD4800180    |               |           |         |      |        |
| G02          |               |           |         |      |        |
| PR           |               |           |         |      |        |
| ESSURIZATION |               |           |         |      |        |
| LINES (3)    |               |           |         |      |        |
|              |               |           |         |      |        |
| PD4800205    |               |           |         |      |        |
| GH2          |               |           |         |      |        |
| PR           |               |           |         |      |        |
| ESSURIZATION |               |           |         |      |        |
| LINES (3)    |               |           |         |      |        |
|              |               |           |         |      |        |
| THE ABOVE    |               |           |         |      |        |
| LINES ARE    |               |           |         |      |        |
| PROCESSED    |               |           |         |      |        |
| SIMILARLY TO |               |           |         |      |        |
| THE LH2      |               |           |         |      |        |
| FEEDLINE.    |               |           |         |      |        |
| HOWEVER,     |               |           |         |      |        |
|              |               |           |         |      |        |
| THE ABOVE    |               |           |         |      |        |
| LINES DO NOT |               |           |         |      |        |
| HAVE INCONEL |               |           |         |      |        |
| 718 AS       |               |           |         |      |        |
| PRESSURE     |               |           |         |      |        |
| CARRIERS.    |               |           |         |      |        |
| THE ONLY     |               |           |         |      |        |
|              |               |           |         |      |        |
| LINE (OTHER  |               |           |         |      |        |
| THAN THE LH2 |               |           |         |      |        |
| FEEDLINE)    |               |           |         |      |        |
| THAT HAS AN  |               |           |         |      |        |
| ARGON-FILLED |               |           |         |      |        |
| ANNULUS IS   |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| R            |               |           |         |      |        |
| ECIRCULATION |               |           |         |      |        |
| LINE         |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| In           |               |           |         |      |        |
| vestigation/ |               |           |         |      |        |
| Resolution** |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK I.      |               |           |         |      |        |
| FAI          |               |           |         |      |        |
| LURE/PROBLEM |               |           |         |      |        |
| IN           |               |           |         |      |        |
| VESTIGATION: |               |           |         |      |        |
|              |               |           |         |      |        |
| 1\.          |               |           |         |      |        |
| PROCUREMENT  |               |           |         |      |        |
| QUALITY      |               |           |         |      |        |
| (3760)       |               |           |         |      |        |
| REVIEW ALL   |               |           |         |      |        |
| VENDOR       |               |           |         |      |        |
| PROCESS      |               |           |         |      |        |
| PLANS TO     |               |           |         |      |        |
|              |               |           |         |      |        |
| DETERMINE    |               |           |         |      |        |
| WHICH LINES  |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| SUBJECTED TO |               |           |         |      |        |
| A PROCESS    |               |           |         |      |        |
| WHICH        |               |           |         |      |        |
| PRODUCES A   |               |           |         |      |        |
|              |               |           |         |      |        |
| POTENTIAL    |               |           |         |      |        |
| FOR WATER    |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| INNER PLIES  |               |           |         |      |        |
| OF BELLOWS   |               |           |         |      |        |
|              |               |           |         |      |        |
| CONSTRUCTED  |               |           |         |      |        |
| OF 21-6-9    |               |           |         |      |        |
| STAINLESS    |               |           |         |      |        |
| STEEL        |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| M.           |               |           |         |      |        |
| T            |               |           |         |      |        |
| AYLOR/3761 - |               |           |         |      |        |
| C.           |               |           |         |      |        |
| COYAN/3760   |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 11/10/89     |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| A REVIEW OF  |               |           |         |      |        |
| PROCESSES    |               |           |         |      |        |
| RELATING TO  |               |           |         |      |        |
| BELLOWS      |               |           |         |      |        |
| FABRICATION  |               |           |         |      |        |
| HAVE BEEN    |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| FOR FLOWN    |               |           |         |      |        |
| AND UNFLOWN  |               |           |         |      |        |
| ETS THROUGH  |               |           |         |      |        |
| ET-62. FIVE  |               |           |         |      |        |
| PLANNING     |               |           |         |      |        |
| LEVELS       |               |           |         |      |        |
|              |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| UTILIZED.    |               |           |         |      |        |
| A            |               |           |         |      |        |
| DDITIONALLY, |               |           |         |      |        |
| 96 TYPE TWO  |               |           |         |      |        |
| BELLOWS ARE  |               |           |         |      |        |
| IN PROCESS   |               |           |         |      |        |
| AT           |               |           |         |      |        |
|              |               |           |         |      |        |
| ARROWHEAD    |               |           |         |      |        |
|              |               |           |         |      |        |
| 2\.          |               |           |         |      |        |
| RELIABILITY  |               |           |         |      |        |
| ASSURANCE    |               |           |         |      |        |
| (3741) AND   |               |           |         |      |        |
| MATERIALS    |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| (3573)       |               |           |         |      |        |
|              |               |           |         |      |        |
| PUBLISH      |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
| RESULTS ON   |               |           |         |      |        |
| ALL          |               |           |         |      |        |
| MATERIALS    |               |           |         |      |        |
| AND          |               |           |         |      |        |
| SOLUTIONS    |               |           |         |      |        |
| ANALYZED     |               |           |         |      |        |
|              |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| PROPULSION   |               |           |         |      |        |
| HARDWARE IN  |               |           |         |      |        |
| QUESTION     |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| B.           |               |           |         |      |        |
| MATTHE       |               |           |         |      |        |
| ESSEN/3741 - |               |           |         |      |        |
| E.           |               |           |         |      |        |
| HARTLEY/3740 |               |           |         |      |        |
|              |               |           |         |      |        |
| P.           |               |           |         |      |        |
| HINK         |               |           |         |      |        |
| ELDEY/3573 - |               |           |         |      |        |
| C. GRAY/3570 |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 11/16/89     |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| IT WAS       |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| THAT STRESS  |               |           |         |      |        |
| CORROSION    |               |           |         |      |        |
| CRACKING     |               |           |         |      |        |
| RESULTED IN  |               |           |         |      |        |
| LEAKAGE OF   |               |           |         |      |        |
|              |               |           |         |      |        |
| THE BELLOWS. |               |           |         |      |        |
| M            |               |           |         |      |        |
| ETALLURGICAL |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| THAT THE     |               |           |         |      |        |
| 21-6-9       |               |           |         |      |        |
|              |               |           |         |      |        |
| MATERIALS    |               |           |         |      |        |
| MET ALL      |               |           |         |      |        |
| S            |               |           |         |      |        |
| PECIFICATION |               |           |         |      |        |
| R            |               |           |         |      |        |
| EQUIREMENTS. |               |           |         |      |        |
| THE MOST     |               |           |         |      |        |
| PROBABLE     |               |           |         |      |        |
| CAUSE        |               |           |         |      |        |
|              |               |           |         |      |        |
| FOR STRESS   |               |           |         |      |        |
| CORROSION    |               |           |         |      |        |
| CRACKING WAS |               |           |         |      |        |
| THE          |               |           |         |      |        |
| INDUCEMENT   |               |           |         |      |        |
| OF CHLORIDE  |               |           |         |      |        |
| LADEN WATER  |               |           |         |      |        |
|              |               |           |         |      |        |
| USED FOR     |               |           |         |      |        |
| COOLANT      |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
| SEAM WELDING |               |           |         |      |        |
| PROCESS      |               |           |         |      |        |
|              |               |           |         |      |        |
| 3\. SYSTEMS  |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| (3530)       |               |           |         |      |        |
| ANALYZE LINE |               |           |         |      |        |
| CO           |               |           |         |      |        |
| NFIGURATIONS |               |           |         |      |        |
| AND          |               |           |         |      |        |
| DETERMINE    |               |           |         |      |        |
|              |               |           |         |      |        |
| ALLOWABLE    |               |           |         |      |        |
| LEAKAGE ON   |               |           |         |      |        |
| LH2 FEEDLINE |               |           |         |      |        |
| OUTER        |               |           |         |      |        |
| JACKET, LH2  |               |           |         |      |        |
| R            |               |           |         |      |        |
| ECIRCULATION |               |           |         |      |        |
| LINE         |               |           |         |      |        |
|              |               |           |         |      |        |
| INNER AND    |               |           |         |      |        |
| OUTER        |               |           |         |      |        |
| JACKET, GH2  |               |           |         |      |        |
| PR           |               |           |         |      |        |
| ESSURIZATION |               |           |         |      |        |
| LINE         |               |           |         |      |        |
| FLEXIBLE     |               |           |         |      |        |
| BELLOW AND   |               |           |         |      |        |
| G02          |               |           |         |      |        |
|              |               |           |         |      |        |
| PR           |               |           |         |      |        |
| ESSURIZATION |               |           |         |      |        |
| SYSTEM       |               |           |         |      |        |
| FLEXIBLE     |               |           |         |      |        |
| BELLOWS.     |               |           |         |      |        |
| PROVIDE      |               |           |         |      |        |
| TECHNICAL    |               |           |         |      |        |
| ASSESSMENT   |               |           |         |      |        |
|              |               |           |         |      |        |
| RELATIVE TO  |               |           |         |      |        |
| POTENTIAL    |               |           |         |      |        |
| CRACK        |               |           |         |      |        |
| GROWTH,      |               |           |         |      |        |
| MISSION LIFE |               |           |         |      |        |
| CAPABILITY,  |               |           |         |      |        |
| STRUCTURAL   |               |           |         |      |        |
|              |               |           |         |      |        |
| ANALYSIS,    |               |           |         |      |        |
| ICE          |               |           |         |      |        |
| POTENTIAL    |               |           |         |      |        |
| AND EFFECTS, |               |           |         |      |        |
| AND FRACTURE |               |           |         |      |        |
| MECHANICS    |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| E.           |               |           |         |      |        |
| ZISK/3531 -  |               |           |         |      |        |
| J.           |               |           |         |      |        |
| JOHNSON/3530 |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED:   |               |           |         |      |        |
| 10/26/89 -   |               |           |         |      |        |
| INITIAL      |               |           |         |      |        |
| TECHNICAL    |               |           |         |      |        |
| ASSESSMENT   |               |           |         |      |        |
| (SEE TASK    |               |           |         |      |        |
| III          |               |           |         |      |        |
|              |               |           |         |      |        |
| FLEET        |               |           |         |      |        |
| CLEARANCE)   |               |           |         |      |        |
|              |               |           |         |      |        |
| 03/23/90 -   |               |           |         |      |        |
| FINAL        |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| REPORT       |               |           |         |      |        |
| (DATED       |               |           |         |      |        |
| 1/30/90)     |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| A TECHNICAL  |               |           |         |      |        |
| ASSESSMENT   |               |           |         |      |        |
| WAS MADE     |               |           |         |      |        |
| RELATIVE TO  |               |           |         |      |        |
| LEAKAGE      |               |           |         |      |        |
| POTENTIAL,   |               |           |         |      |        |
| CRACK        |               |           |         |      |        |
|              |               |           |         |      |        |
| GROWTH       |               |           |         |      |        |
| POTENTIAL,   |               |           |         |      |        |
| MISSION LIFE |               |           |         |      |        |
| CAPABILITY,  |               |           |         |      |        |
| BELLOWS      |               |           |         |      |        |
| FABRICATION  |               |           |         |      |        |
| HISTORY      |               |           |         |      |        |
|              |               |           |         |      |        |
| ICE          |               |           |         |      |        |
| POTENTIAL    |               |           |         |      |        |
| AND EFFECTS, |               |           |         |      |        |
| STRUCTURAL   |               |           |         |      |        |
| ANALYSIS AND |               |           |         |      |        |
| A FRACTURE   |               |           |         |      |        |
| MECHANICS    |               |           |         |      |        |
|              |               |           |         |      |        |
| ANALYSIS,    |               |           |         |      |        |
| ETC. THIS    |               |           |         |      |        |
| TECHNICAL    |               |           |         |      |        |
| ASSESSMENT   |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| PRESENTED    |               |           |         |      |        |
| OCTOBER 26,  |               |           |         |      |        |
| 1989         |               |           |         |      |        |
|              |               |           |         |      |        |
| IN THE       |               |           |         |      |        |
| STS-33R      |               |           |         |      |        |
| FLIGHT       |               |           |         |      |        |
| READINESS    |               |           |         |      |        |
| REVIEW AND   |               |           |         |      |        |
| FLEET        |               |           |         |      |        |
| CLEARANCE    |               |           |         |      |        |
| RATIONALE    |               |           |         |      |        |
| WAS          |               |           |         |      |        |
|              |               |           |         |      |        |
| DEVELOPED    |               |           |         |      |        |
| (SEE TASK    |               |           |         |      |        |
| III)         |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK II      |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTIONS:     |               |           |         |      |        |
|              |               |           |         |      |        |
| 1\.          |               |           |         |      |        |
| PROCUREMENT  |               |           |         |      |        |
| QUALITY      |               |           |         |      |        |
| (3760)       |               |           |         |      |        |
| OBTAIN       |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTIONS FROM |               |           |         |      |        |
| THE VENDOR   |               |           |         |      |        |
|              |               |           |         |      |        |
| (ARROWHEAD)  |               |           |         |      |        |
| RELATIVE TO  |               |           |         |      |        |
| PROCESSES    |               |           |         |      |        |
| AND          |               |           |         |      |        |
| PROCEDURES   |               |           |         |      |        |
| WHICH WILL   |               |           |         |      |        |
| PRECLUDE A   |               |           |         |      |        |
|              |               |           |         |      |        |
| RECURRENCE   |               |           |         |      |        |
| OF MOISTURE  |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
| INTO INNER   |               |           |         |      |        |
| PLIES OF     |               |           |         |      |        |
| BELLOWS      |               |           |         |      |        |
| ASSEMBLIES   |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| M.           |               |           |         |      |        |
| T            |               |           |         |      |        |
| AYLOR/3761 - |               |           |         |      |        |
| C.           |               |           |         |      |        |
| COYAN/3760   |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 2/12/90      |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| ALL          |               |           |         |      |        |
| ARROWHEAD    |               |           |         |      |        |
| PLANNING HAS |               |           |         |      |        |
| BEEN REVISED |               |           |         |      |        |
| TO PERVENT   |               |           |         |      |        |
| WATER        |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
| INTO         |               |           |         |      |        |
|              |               |           |         |      |        |
| FAYING       |               |           |         |      |        |
| SURFACES.    |               |           |         |      |        |
| FURTHER      |               |           |         |      |        |
| PRECAUTIONS  |               |           |         |      |        |
| ARE TAKEN BY |               |           |         |      |        |
| CONTROLLING  |               |           |         |      |        |
| THE WATER    |               |           |         |      |        |
|              |               |           |         |      |        |
| USED DURING  |               |           |         |      |        |
| RESISTANCE   |               |           |         |      |        |
| WELDING OF   |               |           |         |      |        |
| BELLOWS.     |               |           |         |      |        |
| THIS IS      |               |           |         |      |        |
| ACCOMPLISHED |               |           |         |      |        |
| BY           |               |           |         |      |        |
|              |               |           |         |      |        |
| TESTING THE  |               |           |         |      |        |
| DI. WATER    |               |           |         |      |        |
| TWICE DAILY, |               |           |         |      |        |
| MAINTAINING  |               |           |         |      |        |
| RECORDS OF   |               |           |         |      |        |
| CHLORINE     |               |           |         |      |        |
|              |               |           |         |      |        |
| CONTENT, AND |               |           |         |      |        |
| CHANGING     |               |           |         |      |        |
| WATER        |               |           |         |      |        |
| SAMPLES IF   |               |           |         |      |        |
| CHLORINE     |               |           |         |      |        |
| CONTENT      |               |           |         |      |        |
| EXCEEDS 20   |               |           |         |      |        |
| PARTS        |               |           |         |      |        |
|              |               |           |         |      |        |
| PER MILLION. |               |           |         |      |        |
| THE PRACTICE |               |           |         |      |        |
| OF           |               |           |         |      |        |
| \"COURTESY   |               |           |         |      |        |
| CLEANING\"   |               |           |         |      |        |
| IS NOW       |               |           |         |      |        |
| PROHIBITED   |               |           |         |      |        |
|              |               |           |         |      |        |
| ONLY         |               |           |         |      |        |
| CLEANING     |               |           |         |      |        |
| OPERATIONS   |               |           |         |      |        |
| AUTHORIZED   |               |           |         |      |        |
| ON SHOP      |               |           |         |      |        |
| TRAVELERS    |               |           |         |      |        |
| SHALL BE     |               |           |         |      |        |
|              |               |           |         |      |        |
| ACCOMPLISHED |               |           |         |      |        |
|              |               |           |         |      |        |
| 2\.          |               |           |         |      |        |
| PROCUREMENT  |               |           |         |      |        |
| QUALITY      |               |           |         |      |        |
| (3760)       |               |           |         |      |        |
| PROVIDE PLAN |               |           |         |      |        |
| FOR          |               |           |         |      |        |
| REVALIDATING |               |           |         |      |        |
| PROCESSES    |               |           |         |      |        |
|              |               |           |         |      |        |
| TO PRECLUDE  |               |           |         |      |        |
| MOISTURE     |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| INNER PLIES  |               |           |         |      |        |
| OF BELLOWS   |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| M.           |               |           |         |      |        |
| T            |               |           |         |      |        |
| AYLOR/3761 - |               |           |         |      |        |
| C.           |               |           |         |      |        |
| COYAN/3760   |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 11/09/89     |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| A PLAN WAS   |               |           |         |      |        |
| FORMULATED   |               |           |         |      |        |
| TO PREVENT   |               |           |         |      |        |
| MOISTURE     |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| BELLOWS      |               |           |         |      |        |
|              |               |           |         |      |        |
| ASSEMBLIES.  |               |           |         |      |        |
| IM           |               |           |         |      |        |
| PLEMENTATION |               |           |         |      |        |
| OF THIS PLAN |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| ACCOMPLISHED |               |           |         |      |        |
| ON ITEM 1,   |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK II      |               |           |         |      |        |
|              |               |           |         |      |        |
| 3\.          |               |           |         |      |        |
| RELIABILITY  |               |           |         |      |        |
| ASSURANCE    |               |           |         |      |        |
| (3741)       |               |           |         |      |        |
| GENERATE A   |               |           |         |      |        |
| GENERIC      |               |           |         |      |        |
| ALERT        |               |           |         |      |        |
| ADDRESSING   |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| FABRICATION  |               |           |         |      |        |
| OF 21-6-9    |               |           |         |      |        |
| BELLOWS WITH |               |           |         |      |        |
| MOISTURE     |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| J.           |               |           |         |      |        |
| FI           |               |           |         |      |        |
| NCHER/3741 - |               |           |         |      |        |
| E.           |               |           |         |      |        |
| HARTLEY/3740 |               |           |         |      |        |
|              |               |           |         |      |        |
| CANCELLED    |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| LEAKAGE OF   |               |           |         |      |        |
| THE INITIAL  |               |           |         |      |        |
| GROUP OF     |               |           |         |      |        |
| BELLOWS (LOT |               |           |         |      |        |
| F) WAS NOT   |               |           |         |      |        |
| DEFINITELY   |               |           |         |      |        |
| AND          |               |           |         |      |        |
|              |               |           |         |      |        |
| SOLELY       |               |           |         |      |        |
| ATTRIBUTABLE |               |           |         |      |        |
| TO WATER     |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| INNER PLIES. |               |           |         |      |        |
| IT WAS       |               |           |         |      |        |
|              |               |           |         |      |        |
| SUSPECTED BY |               |           |         |      |        |
| ALL          |               |           |         |      |        |
| COGNIZANT    |               |           |         |      |        |
| PARTIES THAT |               |           |         |      |        |
| THIS GROUP   |               |           |         |      |        |
| OF BELLOWS   |               |           |         |      |        |
| WAS UNIQUE   |               |           |         |      |        |
|              |               |           |         |      |        |
| IN THEIR     |               |           |         |      |        |
| CONSTRUCTION |               |           |         |      |        |
| AND          |               |           |         |      |        |
| PROCESSING.  |               |           |         |      |        |
| THEREFORE,   |               |           |         |      |        |
| BY           |               |           |         |      |        |
| MANAGEMENT   |               |           |         |      |        |
|              |               |           |         |      |        |
| DIRECTION,   |               |           |         |      |        |
| THE ALERT    |               |           |         |      |        |
| WAS NOT      |               |           |         |      |        |
| ISSUED       |               |           |         |      |        |
|              |               |           |         |      |        |
| 4\.          |               |           |         |      |        |
| RELIABILITY  |               |           |         |      |        |
| ASSURANCE,   |               |           |         |      |        |
| PROCUREMENT  |               |           |         |      |        |
| QUALITY AND  |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| DEVELOP      |               |           |         |      |        |
|              |               |           |         |      |        |
| RATIONALE    |               |           |         |      |        |
| FOR          |               |           |         |      |        |
| CLEARANCE OF |               |           |         |      |        |
| ET-38 AND    |               |           |         |      |        |
| SUBSEQUENT   |               |           |         |      |        |
| LAUNCHES     |               |           |         |      |        |
| (SEE         |               |           |         |      |        |
| ATTACHED     |               |           |         |      |        |
|              |               |           |         |      |        |
| PLAN)        |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| J.           |               |           |         |      |        |
| FI           |               |           |         |      |        |
| NCHER/3741 - |               |           |         |      |        |
| E.           |               |           |         |      |        |
| HARTLEY/3740 |               |           |         |      |        |
|              |               |           |         |      |        |
| A.           |               |           |         |      |        |
| LI           |               |           |         |      |        |
| STEMA/3515 - |               |           |         |      |        |
| R.           |               |           |         |      |        |
| ROGERS/3510  |               |           |         |      |        |
|              |               |           |         |      |        |
| M.           |               |           |         |      |        |
| T            |               |           |         |      |        |
| AYLOR/3761 - |               |           |         |      |        |
| C.           |               |           |         |      |        |
| COYAN/3760   |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 10/26/89     |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| SEE TASK III |               |           |         |      |        |
| FOR          |               |           |         |      |        |
| CLEARANCE OF |               |           |         |      |        |
| FLEET        |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK III     |               |           |         |      |        |
| CLEARANCE OF |               |           |         |      |        |
| EF           |               |           |         |      |        |
| FECTIVITIES: |               |           |         |      |        |
|              |               |           |         |      |        |
| IT HAS BEEN  |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| THE THREE OF |               |           |         |      |        |
| FIVE BELLOWS |               |           |         |      |        |
| FABRICATION  |               |           |         |      |        |
| SEQUENCES    |               |           |         |      |        |
|              |               |           |         |      |        |
| USED BY THE  |               |           |         |      |        |
| VENDOR       |               |           |         |      |        |
| PREVENTS     |               |           |         |      |        |
| WATER        |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| INNER PLIES  |               |           |         |      |        |
| WHICH        |               |           |         |      |        |
|              |               |           |         |      |        |
| DOES NOT     |               |           |         |      |        |
| CREATE A     |               |           |         |      |        |
| SUSPECT      |               |           |         |      |        |
| CONDITION OF |               |           |         |      |        |
| STRESS       |               |           |         |      |        |
| CORROSION    |               |           |         |      |        |
| CRACKING     |               |           |         |      |        |
|              |               |           |         |      |        |
| HOWEVER, TWO |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| SEQUENCES    |               |           |         |      |        |
| ARE          |               |           |         |      |        |
| SUSPECTED OF |               |           |         |      |        |
| HAVING HAD   |               |           |         |      |        |
| WATER        |               |           |         |      |        |
|              |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| BELLOWS      |               |           |         |      |        |
| PLIES WHICH  |               |           |         |      |        |
| MAY RESULT   |               |           |         |      |        |
| IN STRESS    |               |           |         |      |        |
| CORROSION    |               |           |         |      |        |
|              |               |           |         |      |        |
| CRACKING.    |               |           |         |      |        |
| CRACKING IS  |               |           |         |      |        |
| SUSPECTED TO |               |           |         |      |        |
| BE A RESULT  |               |           |         |      |        |
| OF CHLORIDE  |               |           |         |      |        |
| BEARING      |               |           |         |      |        |
|              |               |           |         |      |        |
| WATER OR     |               |           |         |      |        |
| OTHER        |               |           |         |      |        |
| CHLORIDE     |               |           |         |      |        |
| SOLUTION     |               |           |         |      |        |
| BEING        |               |           |         |      |        |
| PRESENT      |               |           |         |      |        |
| ALONG WITH   |               |           |         |      |        |
| RESIDUAL     |               |           |         |      |        |
|              |               |           |         |      |        |
| STRESSES IN  |               |           |         |      |        |
| THE MATERIAL |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
| PROCESS      |               |           |         |      |        |
| RESISTANCE   |               |           |         |      |        |
| WELDING AND  |               |           |         |      |        |
|              |               |           |         |      |        |
| BAKING OF    |               |           |         |      |        |
| THE BELLOWS  |               |           |         |      |        |
| ASSEMBLIES   |               |           |         |      |        |
|              |               |           |         |      |        |
| A TECHNICAL  |               |           |         |      |        |
| ASSESSMENT   |               |           |         |      |        |
| WAS MADE OF  |               |           |         |      |        |
| THE SUSPECT  |               |           |         |      |        |
| CONDITION    |               |           |         |      |        |
| AND THE      |               |           |         |      |        |
|              |               |           |         |      |        |
| FOLLOWING    |               |           |         |      |        |
| ASSESSMENTS  |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| DOCUMENTED:  |               |           |         |      |        |
|              |               |           |         |      |        |
| 1\. PARTS    |               |           |         |      |        |
| THAT PASS    |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| PROOF LEAK   |               |           |         |      |        |
| TESTS ARE    |               |           |         |      |        |
| ACCEPTABLE   |               |           |         |      |        |
|              |               |           |         |      |        |
| A. SIZING    |               |           |         |      |        |
| OPENS UP AND |               |           |         |      |        |
| BLUNTS ANY   |               |           |         |      |        |
| CRACKS       |               |           |         |      |        |
|              |               |           |         |      |        |
| B. STRESS    |               |           |         |      |        |
| CORROSION    |               |           |         |      |        |
| CRACKS DO    |               |           |         |      |        |
| NOT GROW     |               |           |         |      |        |
| AFTER        |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| TESTING      |               |           |         |      |        |
|              |               |           |         |      |        |
| C. BELLOWS   |               |           |         |      |        |
| HAVE HIGH    |               |           |         |      |        |
| STRENGTH     |               |           |         |      |        |
| FACTORS OF   |               |           |         |      |        |
| SAFETY       |               |           |         |      |        |
|              |               |           |         |      |        |
| D. FRACTURE  |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
| SHOWS LARGE  |               |           |         |      |        |
| CRITICAL     |               |           |         |      |        |
| FLAW SIZE    |               |           |         |      |        |
| AND MISSION  |               |           |         |      |        |
|              |               |           |         |      |        |
| LIFE         |               |           |         |      |        |
| CAPABILITY   |               |           |         |      |        |
|              |               |           |         |      |        |
| E. SYSTEM IS |               |           |         |      |        |
| TOLERANT TO  |               |           |         |      |        |
| LEAKAGE      |               |           |         |      |        |
|              |               |           |         |      |        |
| ALL          |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| ANALYSES     |               |           |         |      |        |
| HAVE         |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| THAT IF      |               |           |         |      |        |
| LEAKAGES DID |               |           |         |      |        |
| OCCUR, IT    |               |           |         |      |        |
|              |               |           |         |      |        |
| WOULD BE     |               |           |         |      |        |
| LESS THAN    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| ALLOWABLES   |               |           |         |      |        |
| PER THE TM04 |               |           |         |      |        |
| R            |               |           |         |      |        |
| EQUIREMENTS. |               |           |         |      |        |
| NO           |               |           |         |      |        |
|              |               |           |         |      |        |
| SIGNIFICANT  |               |           |         |      |        |
| CRACK GROWTH |               |           |         |      |        |
| IS EXPECTED  |               |           |         |      |        |
| AFTER THE    |               |           |         |      |        |
| LINES HAVE   |               |           |         |      |        |
| BEEN SIZED,  |               |           |         |      |        |
|              |               |           |         |      |        |
| PASSED LEAK  |               |           |         |      |        |
| AND PROOF    |               |           |         |      |        |
| TEST. ALL    |               |           |         |      |        |
| AS-BUILT     |               |           |         |      |        |
| HARDWARE IS  |               |           |         |      |        |
| ACCEPTABLE   |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK IV CAPS |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| SUMMARY      |               |           |         |      |        |
|              |               |           |         |      |        |
| A THOROUGH   |               |           |         |      |        |
| ANALYSIS OF  |               |           |         |      |        |
| ALL ASPECTS  |               |           |         |      |        |
| OF BELLOWS   |               |           |         |      |        |
| FABRICATION  |               |           |         |      |        |
| INDICATED    |               |           |         |      |        |
| THAT         |               |           |         |      |        |
|              |               |           |         |      |        |
| THE MOST     |               |           |         |      |        |
| PROBABLE     |               |           |         |      |        |
| CAUSE FOR    |               |           |         |      |        |
| THE STRESS   |               |           |         |      |        |
| CORROSION    |               |           |         |      |        |
| CRACKING WAS |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| MIGRATION OF |               |           |         |      |        |
| CHLORINE     |               |           |         |      |        |
| LADEN WATER  |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| BELLOWS      |               |           |         |      |        |
| PLIES. ALL   |               |           |         |      |        |
| BELLOWS      |               |           |         |      |        |
|              |               |           |         |      |        |
| PROCESSING   |               |           |         |      |        |
| PAPER HAS    |               |           |         |      |        |
| BEEN REVISED |               |           |         |      |        |
| AT ARROWHEAD |               |           |         |      |        |
| TO PROTECT   |               |           |         |      |        |
| THE BELLOWS  |               |           |         |      |        |
|              |               |           |         |      |        |
| FROM         |               |           |         |      |        |
| SOLUTION     |               |           |         |      |        |
| INTRUSION    |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| PLIES.       |               |           |         |      |        |
| A            |               |           |         |      |        |
| DDITIONALLY, |               |           |         |      |        |
| DE-IONIZED   |               |           |         |      |        |
| WATER        |               |           |         |      |        |
|              |               |           |         |      |        |
| IS NOW       |               |           |         |      |        |
| PUMPED ONTO  |               |           |         |      |        |
| THE SEAM     |               |           |         |      |        |
| WELDS AND    |               |           |         |      |        |
| THE WATER IS |               |           |         |      |        |
| MONITORED    |               |           |         |      |        |
| TWICE DAILY  |               |           |         |      |        |
|              |               |           |         |      |        |
| FOR CHLORINE |               |           |         |      |        |
| CONTENT      |               |           |         |      |        |
|              |               |           |         |      |        |
| IT WAS       |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| BY           |               |           |         |      |        |
| ENGINEERING  |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
| THAT ALL     |               |           |         |      |        |
| LINES THAT   |               |           |         |      |        |
| PASS PROOF   |               |           |         |      |        |
|              |               |           |         |      |        |
| TEST ARE     |               |           |         |      |        |
| FLIGHT       |               |           |         |      |        |
| WORTHY DUE   |               |           |         |      |        |
| TO THE FACT  |               |           |         |      |        |
| THAT NO      |               |           |         |      |        |
| MECHANISM IS |               |           |         |      |        |
| PRESENT TO   |               |           |         |      |        |
|              |               |           |         |      |        |
| PROPAGATE    |               |           |         |      |        |
| THE CRACK    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       |               |           |         |      |        |
| Response/C   |               |           |         |      |        |
| oncurrence** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+

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

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

  --------------- -------------------- ---------------- ----------- ----------- ------------
  **MSFC          **IFA#**\            **Contractor     **JSC#**\   **KSC#**\   **EICN#**\
  Report#**\      \--                  RPT#**\          \--         \--         \--
  A12525                               P-065                                    

  **Asmnt         **Asmnt Part Name**\ **Asmnt                                  
  Part#**\        LH2 PROP. FEEDLINE   Serial/Lot#**\                           
  PD-4800184                           N/A                                      

  **HCRIT CD**\   **FCRIT CD**\        **CAUSE CD**\    **FAIL                  
  1               1                    MA - MFG-ASY     MODE**\                 
                                                        MS - STRUCT             

  **Asmnt FMEA**\ **Asmnt FM**\        **FMEA CSE**\    **FMEA                  
  2.5.8.2         2                    A                SCSE**\                 
                                                        N/A                     

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

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

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

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

  **MAJOR DESIGN                                                                
  CHANGES**                                                                     

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

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