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

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

+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **In-Flight   | **C       | **      | *    |        |
| Record \#**\ | Anomaly       | ontractor | JSC#**\ | *KSC |        |
| A06911       | Number**\     | Report    | \--     | #**\ |        |
|              | \--           | Number**\ |         | \--  |        |
|              |               | S-061     |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| PEAKING AND  |               |           |         |      |        |
| MISMATCH LH2 |               |           |         |      |        |
| AND LO2      |               |           |         |      |        |
| WELDS        |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Cont    | **F     | **   |        |
| \--          | ET            | ractor**\ | SCM#**\ | FCRI |        |
|              |               | MMMSS     | \--     | T**\ |        |
|              |               |           |         | 3    |        |
+--------------+---------------+-----------+---------+------+--------+
| **HCRIT**\   | **Sys_Lvl**\  | **Misc    |         |      |        |
| \--          | N             | Codes**\  |         |      |        |
|              |               | A **(5)** |         |      |        |
|              |               | B C D E F |         |      |        |
|              |               | G H I J K |         |      |        |
|              |               | L M N O   |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| EIM          | EXTERNAL TANK | N/A       | N/A     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | MMC  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| LRU          | N/A           | N/A       | N/A     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | N/A  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| NCA          | LH2 & LO2     | 80        | N/A     | UFAC |        |
|              | TANK          | 904000000 |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | MMC  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Test/      | **Prevailing  | **F /     | **Fail  | **   |        |
| Operation**\ | Condtion**\   | U**\      | Mode**\ | Caus |        |
| M - MFG      | F -           | UC        | UC -    | e**\ |        |
|              | FUNCTIONAL    |           | UNSAT   | M    |        |
|              |               |           |         | AT - |        |
|              |               |           |         | MFG- |        |
|              |               |           |         | ASY- |        |
|              |               |           |         | EQUP |        |
+--------------+---------------+-----------+---------+------+--------+
| **System**\  | **Defect**\   | **Ma      | **Work  | **   |        |
| STRUCTURAL   | XN - NA       | terial**\ | Con     | Fail |        |
|              |               | H - WELD  | tact**\ | Dat  |        |
|              |               |           | C.      | e**\ |        |
|              |               |           | VOGEL   | 03   |        |
|              |               |           |         | /25/ |        |
|              |               |           |         | 1983 |        |
+--------------+---------------+-----------+---------+------+--------+
| **Received   | **Date        | **FMEA    | **IFA:  | *    |        |
| at MSFC**\   | Isolated**\   | Ref       | Mission | *Mis |        |
| 07/22/1983   | \--           | erence**\ | P       | sion |        |
|              |               | 1.1       | hase**\ | Ela  |        |
|              |               |           | \--     | psed |        |
|              |               |           |         | Tim  |        |
|              |               |           |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               | **S       |         | **   |        |
| *Location**\ |               | ymptom**\ |         | Time |        |
| MAF          |               | UC -      |         | Cycl |        |
|              |               | UNSAT     |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               |           |         |      |        |
| *Effectivity |               |           |         |      |        |
| Text**\      |               |           |         |      |        |
| UNK          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **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   | 06/11/1985    | \--       | \--     | Code |        |
|              |               |           |         | s**\ |        |
|              |               |           |         | 2 -  |        |
|              |               |           |         | MFG  |        |
|              |               |           |         | \--  |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Assignee** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| J. WHITE     | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | \--           | D. NEWMAN | M.      | ject |        |
|              |               |           | PESSIN  | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Approval** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| J. NICHOLS   | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | \--           | D. NEWMAN | M.      | ject |        |
|              |               |           | PESSIN  | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **PAC        | **PAC Review  | **MSFC    | **St    | *    |        |
| Assignee**\  | Complete**\   | Closure   | atus**\ | *F/A |        |
| G. MILLER    | GM            | Date**\   | C -     | C    |        |
|              |               | 0         | CLOSED  | ompl |        |
|              |               | 7/29/1985 |         | 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** |               |           |         |      |        |
|              |               |           |         |      |        |
| REF:         |               |           |         |      |        |
| PREVIOUS     |               |           |         |      |        |
| CAPS S-039   |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| VIOLATIONS   |               |           |         |      |        |
| ARE A        |               |           |         |      |        |
| GENERAL      |               |           |         |      |        |
|              |               |           |         |      |        |
| PROB         |               |           |         |      |        |
| ASSOCIATED   |               |           |         |      |        |
| WITH WELDING |               |           |         |      |        |
| IN MANY      |               |           |         |      |        |
| AREAS, AS A  |               |           |         |      |        |
| RESULT, A    |               |           |         |      |        |
| CONSIDERABLE |               |           |         |      |        |
|              |               |           |         |      |        |
| AMOUNT OF    |               |           |         |      |        |
| EFFORT IS    |               |           |         |      |        |
| EXPENDED IN  |               |           |         |      |        |
| M            |               |           |         |      |        |
| AG-HAMMERING |               |           |         |      |        |
| THESE AREAS  |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| In           |               |           |         |      |        |
| vestigation/ |               |           |         |      |        |
| Resolution** |               |           |         |      |        |
|              |               |           |         |      |        |
| CAUSE -      |               |           |         |      |        |
| TOOLING,     |               |           |         |      |        |
| PROCEDURES & |               |           |         |      |        |
| ENGR\'G ARE  |               |           |         |      |        |
| UNDER        |               |           |         |      |        |
| IN           |               |           |         |      |        |
| VESTIGATION. |               |           |         |      |        |
| 3/5/84       |               |           |         |      |        |
|              |               |           |         |      |        |
| PRB STATUS - |               |           |         |      |        |
| THIS IS AN   |               |           |         |      |        |
| ODD CAPS     |               |           |         |      |        |
| WHICH WAS    |               |           |         |      |        |
| OPENED AS A  |               |           |         |      |        |
| CATCH ALL    |               |           |         |      |        |
| FOR          |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| VIOLATIONS.  |               |           |         |      |        |
| ALL BUT 5 OF |               |           |         |      |        |
| THE NUMEROUS |               |           |         |      |        |
| TASKS LISTED |               |           |         |      |        |
|              |               |           |         |      |        |
| ON ADDENDUMS |               |           |         |      |        |
| TO THE CAPS  |               |           |         |      |        |
| HAVE BEEN    |               |           |         |      |        |
| COMPLETED.   |               |           |         |      |        |
| MMC EXPECTS  |               |           |         |      |        |
| TO COMPLETE  |               |           |         |      |        |
|              |               |           |         |      |        |
| THESE &      |               |           |         |      |        |
| CLOSE THE    |               |           |         |      |        |
| CAPS BY      |               |           |         |      |        |
| 8-15-84.     |               |           |         |      |        |
| SINCE GOOD   |               |           |         |      |        |
| PROGRESS IS  |               |           |         |      |        |
| BEING MADE,  |               |           |         |      |        |
|              |               |           |         |      |        |
| D.           |               |           |         |      |        |
| NEWMAN/SA32  |               |           |         |      |        |
| STATED HE    |               |           |         |      |        |
| WILL CLEAR   |               |           |         |      |        |
| THIS DATE    |               |           |         |      |        |
| WITH THE     |               |           |         |      |        |
| MSFC ET PROJ |               |           |         |      |        |
|              |               |           |         |      |        |
| MGR WHO HAS  |               |           |         |      |        |
| BEEN         |               |           |         |      |        |
| CONCERNED    |               |           |         |      |        |
| WITH THIS    |               |           |         |      |        |
| CAPS BEING   |               |           |         |      |        |
| KEPT OPEN SO |               |           |         |      |        |
| LONG         |               |           |         |      |        |
|              |               |           |         |      |        |
| 9/6/84 - PRB |               |           |         |      |        |
| STATUS, CAPS |               |           |         |      |        |
| IS FOR FOR   |               |           |         |      |        |
| TRACKING     |               |           |         |      |        |
| PURPOSES     |               |           |         |      |        |
| REQUESTED BY |               |           |         |      |        |
|              |               |           |         |      |        |
| JOHN WHITE   |               |           |         |      |        |
| ACTION ITEM  |               |           |         |      |        |
| ET-34 TO     |               |           |         |      |        |
| DISCUSS      |               |           |         |      |        |
| ACTION       |               |           |         |      |        |
| NECESSARY TO |               |           |         |      |        |
| CLOSE        |               |           |         |      |        |
|              |               |           |         |      |        |
| 1/15/85 -    |               |           |         |      |        |
| ALL TASKS IN |               |           |         |      |        |
| THIS CAP ARE |               |           |         |      |        |
| CLOSED       |               |           |         |      |        |
| EXCEPT       |               |           |         |      |        |
| B-III,       |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH.    |               |           |         |      |        |
| DATA-PLASMA; |               |           |         |      |        |
| & BIV -      |               |           |         |      |        |
| CORRELATION  |               |           |         |      |        |
| OF BOSORS TO |               |           |         |      |        |
| TEST COUPON  |               |           |         |      |        |
|              |               |           |         |      |        |
| NEW          |               |           |         |      |        |
| ESTIMATED    |               |           |         |      |        |
| COMPLETION   |               |           |         |      |        |
| DATE AT MMC  |               |           |         |      |        |
| IS OCT. 1985 |               |           |         |      |        |
| PER TD-1012. |               |           |         |      |        |
| 3/6/85       |               |           |         |      |        |
|              |               |           |         |      |        |
| STATUSED AT  |               |           |         |      |        |
| PRB MTG      |               |           |         |      |        |
| 2-25-85 AS   |               |           |         |      |        |
| FOLLOWS -    |               |           |         |      |        |
| PRB          |               |           |         |      |        |
| QUESTIONS    |               |           |         |      |        |
| WHY THIS     |               |           |         |      |        |
| CAPS         |               |           |         |      |        |
|              |               |           |         |      |        |
| CANNOT BE    |               |           |         |      |        |
| CLOSED. PRB  |               |           |         |      |        |
| ACTION ITEM  |               |           |         |      |        |
| ET-36 WAS    |               |           |         |      |        |
| ACCEPTED BY  |               |           |         |      |        |
| D            |               |           |         |      |        |
|              |               |           |         |      |        |
| NEWMA        |               |           |         |      |        |
| N/MSFC/SA-32 |               |           |         |      |        |
| TO INQUIRE   |               |           |         |      |        |
| INTO CLOSING |               |           |         |      |        |
| THIS         |               |           |         |      |        |
| PROBLEM.     |               |           |         |      |        |
| 6/5/85 PRB   |               |           |         |      |        |
|              |               |           |         |      |        |
| STATUS -     |               |           |         |      |        |
| 4-16-85      |               |           |         |      |        |
| MTG - NOT    |               |           |         |      |        |
| DISCUSSED IN |               |           |         |      |        |
| DETAIL. CAPS |               |           |         |      |        |
| IS IN MMC    |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
|              |               |           |         |      |        |
| CYCLE.       |               |           |         |      |        |
| 6/5/85 PRB   |               |           |         |      |        |
| STATUS       |               |           |         |      |        |
| 5-16-85      |               |           |         |      |        |
| MTG - NOT    |               |           |         |      |        |
| DISCUSSED IN |               |           |         |      |        |
| DETAIL. CAPS |               |           |         |      |        |
| IN           |               |           |         |      |        |
|              |               |           |         |      |        |
| MMC CLOSURE  |               |           |         |      |        |
| CYCLE. WILL  |               |           |         |      |        |
| BE SENT TO   |               |           |         |      |        |
| MSFC         |               |           |         |      |        |
| SHORTLY.     |               |           |         |      |        |
| 6/26/85      |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
|              |               |           |         |      |        |
| \- TASK I -  |               |           |         |      |        |
| GENERAL      |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| PROBLEM      |               |           |         |      |        |
|              |               |           |         |      |        |
| WAS DIVIDED  |               |           |         |      |        |
| INTO 2 MAJOR |               |           |         |      |        |
| CATEGORIES:  |               |           |         |      |        |
| CATEGORY A - |               |           |         |      |        |
| EFFORTS TO   |               |           |         |      |        |
| IMPROVE      |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| CONTROL.     |               |           |         |      |        |
| CATEGORY B - |               |           |         |      |        |
| EFFORTS TO   |               |           |         |      |        |
| IMPROVE THE  |               |           |         |      |        |
|              |               |           |         |      |        |
| DEFINITION   |               |           |         |      |        |
| OF           |               |           |         |      |        |
| TOLERANCES   |               |           |         |      |        |
| OR TO        |               |           |         |      |        |
| IMPROVE THE  |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
|              |               |           |         |      |        |
| DISCREPANCY  |               |           |         |      |        |
| REPORTING    |               |           |         |      |        |
| SYSTEM.      |               |           |         |      |        |
| CATEGORY A   |               |           |         |      |        |
| INCLUDED ALL |               |           |         |      |        |
| EFFORTS      |               |           |         |      |        |
| WHICH        |               |           |         |      |        |
|              |               |           |         |      |        |
| WOULD BE     |               |           |         |      |        |
| EXPECTED TO  |               |           |         |      |        |
| ACTUALLY     |               |           |         |      |        |
| REDUCE       |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCHING  |               |           |         |      |        |
| SEEN IN      |               |           |         |      |        |
|              |               |           |         |      |        |
| HARDWARE.    |               |           |         |      |        |
| CATEGORY B   |               |           |         |      |        |
| ANALYZED THE |               |           |         |      |        |
| REQMNTS THAT |               |           |         |      |        |
| THE HARDWARE |               |           |         |      |        |
| HAS TO       |               |           |         |      |        |
|              |               |           |         |      |        |
| MEET.        |               |           |         |      |        |
| SUBJECT OF   |               |           |         |      |        |
| CATEGORY A   |               |           |         |      |        |
| EFFORTS ARE  |               |           |         |      |        |
| SET FORTH IN |               |           |         |      |        |
| TASK A-I     |               |           |         |      |        |
| THROUGH      |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK A-V, &  |               |           |         |      |        |
| TASK AX.     |               |           |         |      |        |
| RESULTS OF   |               |           |         |      |        |
| THESE        |               |           |         |      |        |
| IN           |               |           |         |      |        |
| VESTIGATIONS |               |           |         |      |        |
| ARE SHOWN    |               |           |         |      |        |
| BELOW        |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK A-I -   |               |           |         |      |        |
| MSRMNTS WERE |               |           |         |      |        |
| TAKEN BY     |               |           |         |      |        |
| QUALITY      |               |           |         |      |        |
| PERSONNEL,   |               |           |         |      |        |
| USING THE    |               |           |         |      |        |
| AIMS 65,     |               |           |         |      |        |
|              |               |           |         |      |        |
| ON THE LO2   |               |           |         |      |        |
| TANK O-2     |               |           |         |      |        |
| WELD MADE ON |               |           |         |      |        |
| THE 5018     |               |           |         |      |        |
| FIXTURE TO   |               |           |         |      |        |
| DETERMINE    |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| AMOUNT OF    |               |           |         |      |        |
| PEAKING THAT |               |           |         |      |        |
| OCCURS       |               |           |         |      |        |
| DURING       |               |           |         |      |        |
| BUILD.       |               |           |         |      |        |
| RESULTS OF   |               |           |         |      |        |
| THESE        |               |           |         |      |        |
| MSRMNTS      |               |           |         |      |        |
|              |               |           |         |      |        |
| FOLLOW. THIS |               |           |         |      |        |
| TASK         |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 10-30-83.    |               |           |         |      |        |
| LO2 TANK,    |               |           |         |      |        |
| 0-2 WELD     |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH:    |               |           |         |      |        |
| BEFORE -     |               |           |         |      |        |
| TACKING      |               |           |         |      |        |
| AFFECT OF    |               |           |         |      |        |
| MANDREL      |               |           |         |      |        |
| PRESSURE     |               |           |         |      |        |
| CHANGE ON    |               |           |         |      |        |
| PEAKING      |               |           |         |      |        |
|              |               |           |         |      |        |
| & MISMATCH   |               |           |         |      |        |
| (AVG\'D)     |               |           |         |      |        |
| BASED ON     |               |           |         |      |        |
| SAMPLING 20% |               |           |         |      |        |
| OF AREA:     |               |           |         |      |        |
| MAN.         |               |           |         |      |        |
| PRESSURE 20  |               |           |         |      |        |
| PSI          |               |           |         |      |        |
|              |               |           |         |      |        |
| 40 PSI       |               |           |         |      |        |
| PEAKING 2.2  |               |           |         |      |        |
| DEG 3.1      |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| .027 INCHES  |               |           |         |      |        |
| .014         |               |           |         |      |        |
| TRENDING OF  |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| (AVG\'D OVER |               |           |         |      |        |
| 100% OF      |               |           |         |      |        |
| AREA) DURING |               |           |         |      |        |
| WELDING      |               |           |         |      |        |
| OPERATION    |               |           |         |      |        |
|              |               |           |         |      |        |
| OPERATION    |               |           |         |      |        |
| MAN.         |               |           |         |      |        |
| PRESSURE     |               |           |         |      |        |
| PEAKING      |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| AFTER TACK   |               |           |         |      |        |
| 40 PSI 2.5   |               |           |         |      |        |
| DEG .008     |               |           |         |      |        |
|              |               |           |         |      |        |
| IN. AFTER    |               |           |         |      |        |
| SEAL 40 PSI  |               |           |         |      |        |
| 4.2 DEG .012 |               |           |         |      |        |
| IN. AFTER    |               |           |         |      |        |
| PEN 40 PSI   |               |           |         |      |        |
| 6.7 DEG .015 |               |           |         |      |        |
|              |               |           |         |      |        |
| IN. AFTER    |               |           |         |      |        |
| FILL 0 PSI   |               |           |         |      |        |
| 7.1 DEG .020 |               |           |         |      |        |
| IN. RESULTS  |               |           |         |      |        |
| OF PEAKING   |               |           |         |      |        |
| VS. MANDREL  |               |           |         |      |        |
|              |               |           |         |      |        |
| PRESSURE 0-2 |               |           |         |      |        |
| WELD:        |               |           |         |      |        |
| MANDREL PR   |               |           |         |      |        |
| LWT AVG      |               |           |         |      |        |
| PEAKING AVG  |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| (SEAL, PEN,  |               |           |         |      |        |
|              |               |           |         |      |        |
| FILL) 14 9.2 |               |           |         |      |        |
| DEG .019 IN. |               |           |         |      |        |
| 50,60,60 PSI |               |           |         |      |        |
| 15 7.2 DEG   |               |           |         |      |        |
| .018 IN.     |               |           |         |      |        |
| 45,20,20 PSI |               |           |         |      |        |
|              |               |           |         |      |        |
| 16 5.9 DEG   |               |           |         |      |        |
| .015 IN.     |               |           |         |      |        |
| 35,20,20 PSI |               |           |         |      |        |
| TASK A-II -  |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| DATA         |               |           |         |      |        |
|              |               |           |         |      |        |
| BANK - TO BE |               |           |         |      |        |
| ABLE TO      |               |           |         |      |        |
| MONITOR      |               |           |         |      |        |
| TRENDS A     |               |           |         |      |        |
| PROGRAM WAS  |               |           |         |      |        |
| GENERATED TO |               |           |         |      |        |
| MONITOR      |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH ON  |               |           |         |      |        |
| THE 5018 &   |               |           |         |      |        |
| 5019 WELD    |               |           |         |      |        |
| FIXTURES.    |               |           |         |      |        |
| DATA WAS     |               |           |         |      |        |
| OBTAINED     |               |           |         |      |        |
|              |               |           |         |      |        |
| & STORED IN  |               |           |         |      |        |
| THE DATA     |               |           |         |      |        |
| BANK. THIS   |               |           |         |      |        |
| TASK WAS     |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 8-1-84. TASK |               |           |         |      |        |
| A-III -      |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| MSRMNTS -    |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| MSRMNTS,     |               |           |         |      |        |
| INCLUDING A  |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPARISON   |               |           |         |      |        |
| OF           |               |           |         |      |        |
| COMBINATION  |               |           |         |      |        |
| GAUGE &      |               |           |         |      |        |
| COMPUTERIZED |               |           |         |      |        |
| GAUGE        |               |           |         |      |        |
| (AIMS-65),   |               |           |         |      |        |
| WERE         |               |           |         |      |        |
|              |               |           |         |      |        |
| EVALUATED BY |               |           |         |      |        |
| QUALITY      |               |           |         |      |        |
| ENGR\'G.     |               |           |         |      |        |
| PRELIMINARY  |               |           |         |      |        |
| REPORT       |               |           |         |      |        |
| RESULTS WERE |               |           |         |      |        |
| PUBLISHED    |               |           |         |      |        |
|              |               |           |         |      |        |
| IN REPORT    |               |           |         |      |        |
| 3743-83-140. |               |           |         |      |        |
| A            |               |           |         |      |        |
| DDITIONALLY, |               |           |         |      |        |
| A NEW        |               |           |         |      |        |
| OPERATING    |               |           |         |      |        |
| MANUAL FOR   |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| AIMS-65 WAS  |               |           |         |      |        |
| DEVELOPED &  |               |           |         |      |        |
| PUBLISHED.   |               |           |         |      |        |
| ALSO, AN     |               |           |         |      |        |
| AUTOMATIC    |               |           |         |      |        |
| PEAK- ING &  |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| INSTRUMENT   |               |           |         |      |        |
| THAT IS      |               |           |         |      |        |
| INTEGRATED   |               |           |         |      |        |
| WITH THE     |               |           |         |      |        |
| MSFC         |               |           |         |      |        |
| CIR          |               |           |         |      |        |
| CUMFERENTIAL |               |           |         |      |        |
|              |               |           |         |      |        |
| WELD FIXTURE |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| DEVELOPED.   |               |           |         |      |        |
| THIS WAS A   |               |           |         |      |        |
| PORTION OF   |               |           |         |      |        |
| THE EFFORT   |               |           |         |      |        |
| UNDER        |               |           |         |      |        |
|              |               |           |         |      |        |
| TD-1054.     |               |           |         |      |        |
| TASK A-IV -  |               |           |         |      |        |
| CIR          |               |           |         |      |        |
| CUMFERENTIAL |               |           |         |      |        |
| MSRMNTS -    |               |           |         |      |        |
| MSRMNTS WERE |               |           |         |      |        |
| TAKEN ON     |               |           |         |      |        |
|              |               |           |         |      |        |
| THE 5018 &   |               |           |         |      |        |
| 5019         |               |           |         |      |        |
| FIXTURES &   |               |           |         |      |        |
| CIRCUMFER-   |               |           |         |      |        |
| ENTIAL       |               |           |         |      |        |
| GROWTH WAS   |               |           |         |      |        |
| CONFIRMED.   |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| BARREL       |               |           |         |      |        |
| C            |               |           |         |      |        |
| IRCUMFERENCE |               |           |         |      |        |
| GREW 0.230   |               |           |         |      |        |
| IN. WITH A   |               |           |         |      |        |
| 20 PSI       |               |           |         |      |        |
| INCREASE IN  |               |           |         |      |        |
| MANDREL      |               |           |         |      |        |
|              |               |           |         |      |        |
| PRESSURE     |               |           |         |      |        |
| (INITIAL 20  |               |           |         |      |        |
| PSI, FINAL   |               |           |         |      |        |
| 40 PSI).     |               |           |         |      |        |
| TASK A-V -   |               |           |         |      |        |
| PRESENT      |               |           |         |      |        |
| TOOLING &    |               |           |         |      |        |
|              |               |           |         |      |        |
| PROCEDURES - |               |           |         |      |        |
| MFR\'G       |               |           |         |      |        |
| ENGR\'G      |               |           |         |      |        |
| DEVELOPED A  |               |           |         |      |        |
| PLAN FOR     |               |           |         |      |        |
| IDENTIFYING  |               |           |         |      |        |
| & EVALUAT-   |               |           |         |      |        |
|              |               |           |         |      |        |
| ING POSSIBLE |               |           |         |      |        |
| MODS TO      |               |           |         |      |        |
| EXISTING     |               |           |         |      |        |
| TOOLING &    |               |           |         |      |        |
| PROCEDURES   |               |           |         |      |        |
| TO REDUCE    |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH AT  |               |           |         |      |        |
| THE 5018,    |               |           |         |      |        |
| 5019, & 5012 |               |           |         |      |        |
| (0-1). THIS  |               |           |         |      |        |
| EFFORT WAS   |               |           |         |      |        |
| COORDINATED  |               |           |         |      |        |
|              |               |           |         |      |        |
| WITH TASKS   |               |           |         |      |        |
| A-I, A-II, & |               |           |         |      |        |
| A-IV & WAS   |               |           |         |      |        |
| PUBLISHED ON |               |           |         |      |        |
| AN           |               |           |         |      |        |
| INTEROFFICE  |               |           |         |      |        |
| MEMO         |               |           |         |      |        |
|              |               |           |         |      |        |
| 9-15-83.     |               |           |         |      |        |
| ENGR\'G      |               |           |         |      |        |
| PERFORMED AN |               |           |         |      |        |
| ANALYSIS TO  |               |           |         |      |        |
| ESTABLISH    |               |           |         |      |        |
| WORSE CAST   |               |           |         |      |        |
| CONTOUR      |               |           |         |      |        |
|              |               |           |         |      |        |
| DEVIATIONS   |               |           |         |      |        |
| WHICH WOULD  |               |           |         |      |        |
| RESULT IN A  |               |           |         |      |        |
| FACT         |               |           |         |      |        |
| OR-OF-SAFETY |               |           |         |      |        |
| OF 1.0 & A   |               |           |         |      |        |
|              |               |           |         |      |        |
| MARG         |               |           |         |      |        |
| IN-OF-SAFETY |               |           |         |      |        |
| OF 0.0 (FS = |               |           |         |      |        |
| 1.0/MS = 0). |               |           |         |      |        |
| THIS TASK    |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| COMPLETED &  |               |           |         |      |        |
|              |               |           |         |      |        |
| CRITERIA     |               |           |         |      |        |
| ESTABLISHED  |               |           |         |      |        |
| PER MEMO     |               |           |         |      |        |
| 3521-84-108. |               |           |         |      |        |
| QUALITY      |               |           |         |      |        |
| CONTROL      |               |           |         |      |        |
| PROVIDED     |               |           |         |      |        |
|              |               |           |         |      |        |
| STRESS       |               |           |         |      |        |
| ENGR\'G WITH |               |           |         |      |        |
| CONTOUR      |               |           |         |      |        |
| MSRMNTS, &   |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| READINGS     |               |           |         |      |        |
| ALONG        |               |           |         |      |        |
|              |               |           |         |      |        |
| THE 0-2 &    |               |           |         |      |        |
| 0-3 WELDS.   |               |           |         |      |        |
| THE PHASING  |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| READINGS WAS |               |           |         |      |        |
| AFTER HEAT   |               |           |         |      |        |
| REPAIR       |               |           |         |      |        |
|              |               |           |         |      |        |
| & AFTER      |               |           |         |      |        |
| MAG-HAMMER   |               |           |         |      |        |
| REPAIR.      |               |           |         |      |        |
| READINGS     |               |           |         |      |        |
| WERE TAKEN   |               |           |         |      |        |
| ON LWT-18,   |               |           |         |      |        |
| -19, -20, &  |               |           |         |      |        |
|              |               |           |         |      |        |
| -21. TASK    |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 7-15-84.     |               |           |         |      |        |
| QUALITY      |               |           |         |      |        |
| ENGR\'G      |               |           |         |      |        |
| ADDED        |               |           |         |      |        |
| STATEMENTS   |               |           |         |      |        |
| TO THE       |               |           |         |      |        |
|              |               |           |         |      |        |
| MPP\'S FOR   |               |           |         |      |        |
| LWT-19, -20, |               |           |         |      |        |
| & -21        |               |           |         |      |        |
| DIRECTING    |               |           |         |      |        |
| INSPEC- TION |               |           |         |      |        |
| TO MAKE      |               |           |         |      |        |
| MSRMNTS ON   |               |           |         |      |        |
|              |               |           |         |      |        |
| THE FWD &    |               |           |         |      |        |
| AFT OGIVES   |               |           |         |      |        |
| FOR CONTOUR  |               |           |         |      |        |
| ADJACENT TO  |               |           |         |      |        |
| THE 0-2      |               |           |         |      |        |
| WELD, & ON   |               |           |         |      |        |
| THE AFT      |               |           |         |      |        |
|              |               |           |         |      |        |
| OGIVE        |               |           |         |      |        |
| ADJACENT TO  |               |           |         |      |        |
| THE 0-3      |               |           |         |      |        |
| WELD.        |               |           |         |      |        |
| MSRMNTS WERE |               |           |         |      |        |
| TAKEN USING  |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| 612.180-IN.  |               |           |         |      |        |
| RADIUS OSL   |               |           |         |      |        |
| TEMPLATE     |               |           |         |      |        |
| EVERY 12 IN. |               |           |         |      |        |
| ALONG THE    |               |           |         |      |        |
| C            |               |           |         |      |        |
| IRCUMFERENCE |               |           |         |      |        |
| &            |               |           |         |      |        |
|              |               |           |         |      |        |
| EVERY 2 IN.  |               |           |         |      |        |
| ALONG THE    |               |           |         |      |        |
| TEMPLATE.    |               |           |         |      |        |
| READINGS     |               |           |         |      |        |
| WERE MADE    |               |           |         |      |        |
| AFTER HEAT   |               |           |         |      |        |
| REPAIR &     |               |           |         |      |        |
|              |               |           |         |      |        |
| AFTER MAG    |               |           |         |      |        |
| HAMMERING TO |               |           |         |      |        |
| WITHIN DWG   |               |           |         |      |        |
| PEAKING      |               |           |         |      |        |
| TOLERANCE OF |               |           |         |      |        |
| 6.5 DEGS FOR |               |           |         |      |        |
| 0-2          |               |           |         |      |        |
|              |               |           |         |      |        |
| WELD, & 4.7  |               |           |         |      |        |
| DEGS FOR 0-3 |               |           |         |      |        |
| WELD. STRESS |               |           |         |      |        |
| ENGR\'G &    |               |           |         |      |        |
| RELIABILITY  |               |           |         |      |        |
| ASSURANCE    |               |           |         |      |        |
|              |               |           |         |      |        |
| REVIEWED     |               |           |         |      |        |
| LWT-6 THRU   |               |           |         |      |        |
| LWT-15 MARS  |               |           |         |      |        |
| (0-2 & 0-3   |               |           |         |      |        |
| WELDS) WITH  |               |           |         |      |        |
| RESPECT TO   |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| CONDITIONS.  |               |           |         |      |        |
| IT WAS FOUND |               |           |         |      |        |
| THAT IN THE  |               |           |         |      |        |
| ORIGINALLY   |               |           |         |      |        |
|              |               |           |         |      |        |
| WELDED       |               |           |         |      |        |
| CONDITION    |               |           |         |      |        |
| EXTENSIVE    |               |           |         |      |        |
| OUT PEAKING  |               |           |         |      |        |
| WAS FOUND ON |               |           |         |      |        |
| THE 0-2 &    |               |           |         |      |        |
| 0-3 WELDS    |               |           |         |      |        |
|              |               |           |         |      |        |
| (EXCEPTION   |               |           |         |      |        |
| LWT-13,      |               |           |         |      |        |
| 0-2). NO     |               |           |         |      |        |
| PROBLEM      |               |           |         |      |        |
| EXISTS AFTER |               |           |         |      |        |
| MAG-HAMMER   |               |           |         |      |        |
| REPAIRS      |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS TASK    |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 8-31-84 &    |               |           |         |      |        |
| RESULTS WERE |               |           |         |      |        |
| PUBLISHED ON |               |           |         |      |        |
| MEMO\'S      |               |           |         |      |        |
|              |               |           |         |      |        |
| 374-84-118 & |               |           |         |      |        |
| 3521-84-063. |               |           |         |      |        |
| MSFC QUALITY |               |           |         |      |        |
| MEASURED     |               |           |         |      |        |
| CONTOUR,     |               |           |         |      |        |
| PEAKING, &   |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH AT  |               |           |         |      |        |
| THE 0-2 &    |               |           |         |      |        |
| 0-3 WELDS ON |               |           |         |      |        |
| STATION.     |               |           |         |      |        |
| CONTOUR      |               |           |         |      |        |
| MSRMNTS WERE |               |           |         |      |        |
| TAKEN        |               |           |         |      |        |
|              |               |           |         |      |        |
| USING A      |               |           |         |      |        |
| 612.180-IN.  |               |           |         |      |        |
| RADIUS OSL   |               |           |         |      |        |
| TEMPLATE     |               |           |         |      |        |
| EVERY 12 IN. |               |           |         |      |        |
| ALONG THE    |               |           |         |      |        |
|              |               |           |         |      |        |
| C            |               |           |         |      |        |
| IRCUMFERENCE |               |           |         |      |        |
| & EVERY 2    |               |           |         |      |        |
| IN. ALONG    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TEMPLATE.    |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
|              |               |           |         |      |        |
| READINGS     |               |           |         |      |        |
| WERE MADE    |               |           |         |      |        |
| EVERY 6 IN.  |               |           |         |      |        |
| ALONG THE    |               |           |         |      |        |
| CI           |               |           |         |      |        |
| RCUMFERENCE. |               |           |         |      |        |
| ACCUMULATED  |               |           |         |      |        |
|              |               |           |         |      |        |
| DATA WAS     |               |           |         |      |        |
| PROVIDED TO  |               |           |         |      |        |
| MMC STRESS   |               |           |         |      |        |
| ENGR\'G FOR  |               |           |         |      |        |
| INCLUSION IN |               |           |         |      |        |
| THE DATA     |               |           |         |      |        |
| BASE         |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS TASK    |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 7-30-84.     |               |           |         |      |        |
| MFR\'G       |               |           |         |      |        |
| ENGR\'G      |               |           |         |      |        |
| REVIEWED     |               |           |         |      |        |
| TOOLING      |               |           |         |      |        |
| CHANGES      |               |           |         |      |        |
|              |               |           |         |      |        |
| ON THE 5018  |               |           |         |      |        |
| THAT MAY     |               |           |         |      |        |
| HAVE         |               |           |         |      |        |
| AFFECTED     |               |           |         |      |        |
| CONTOUR,     |               |           |         |      |        |
| PEAK- ING, & |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
|              |               |           |         |      |        |
| CONDITIONS   |               |           |         |      |        |
| ON LWT-6     |               |           |         |      |        |
| THRU LWT-15  |               |           |         |      |        |
| (0-2 & 0-3   |               |           |         |      |        |
| WELDS).      |               |           |         |      |        |
| RESULTS OF   |               |           |         |      |        |
| THIS         |               |           |         |      |        |
|              |               |           |         |      |        |
| REVIEW WERE  |               |           |         |      |        |
| SUBMITTED TO |               |           |         |      |        |
| RELIABILITY  |               |           |         |      |        |
| ASSURANCE    |               |           |         |      |        |
| FOR          |               |           |         |      |        |
| COMPARISON   |               |           |         |      |        |
| OF           |               |           |         |      |        |
|              |               |           |         |      |        |
| TOOLING      |               |           |         |      |        |
| CHANGES VS.  |               |           |         |      |        |
| TANK         |               |           |         |      |        |
| DEFECTS.     |               |           |         |      |        |
| THIS TASK    |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 9-15-84.     |               |           |         |      |        |
| TASK         |               |           |         |      |        |
|              |               |           |         |      |        |
| AX -         |               |           |         |      |        |
| ANALYSIS OF  |               |           |         |      |        |
| MISMATCH ON  |               |           |         |      |        |
| 0-1 -        |               |           |         |      |        |
| TOOLING      |               |           |         |      |        |
| ASSOCIATED   |               |           |         |      |        |
| WITH THE     |               |           |         |      |        |
| T03A5012     |               |           |         |      |        |
|              |               |           |         |      |        |
| TOOL WAS     |               |           |         |      |        |
| INVESTI-     |               |           |         |      |        |
| GATED TO     |               |           |         |      |        |
| RESOLVE A    |               |           |         |      |        |
| SIGNIFICANT  |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| PROBLEM ON   |               |           |         |      |        |
|              |               |           |         |      |        |
| LWT-26 &     |               |           |         |      |        |
| LWT-28. THE  |               |           |         |      |        |
| T03A5012     |               |           |         |      |        |
| TOOL WAS     |               |           |         |      |        |
| INSPECTED &  |               |           |         |      |        |
| REALIGNED    |               |           |         |      |        |
| (LOWER       |               |           |         |      |        |
|              |               |           |         |      |        |
| MANDREL      |               |           |         |      |        |
| ALIGNMENT &  |               |           |         |      |        |
| UPPER        |               |           |         |      |        |
| MANDREL      |               |           |         |      |        |
| HEIGHT       |               |           |         |      |        |
| ALIGNMENT).  |               |           |         |      |        |
| THE LWT-29   |               |           |         |      |        |
| OGIVE        |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH WAS |               |           |         |      |        |
| CHECKED &    |               |           |         |      |        |
| FOUND TO BE  |               |           |         |      |        |
| IN TOLERANCE |               |           |         |      |        |
| COMING OFF   |               |           |         |      |        |
| THE FIXTURE  |               |           |         |      |        |
|              |               |           |         |      |        |
| SUBJECT OF   |               |           |         |      |        |
| CATEGORY     |               |           |         |      |        |
| \"B\"        |               |           |         |      |        |
| EFFORTS ARE  |               |           |         |      |        |
| SET FORTH IN |               |           |         |      |        |
| TASKS B-I    |               |           |         |      |        |
| THRU B-V     |               |           |         |      |        |
|              |               |           |         |      |        |
| RESULTS OF   |               |           |         |      |        |
| THESE        |               |           |         |      |        |
| INVESTIGA-   |               |           |         |      |        |
| TIONS ARE    |               |           |         |      |        |
| SHOWN BELOW. |               |           |         |      |        |
| TASK B-I -   |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| DATA &       |               |           |         |      |        |
| MAG-HAMMER   |               |           |         |      |        |
| EFFECTS -    |               |           |         |      |        |
| CURVES       |               |           |         |      |        |
| SHOWING THE  |               |           |         |      |        |
| EFFECTS OF   |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH ON  |               |           |         |      |        |
| TIG WELD     |               |           |         |      |        |
| MECHANICAL   |               |           |         |      |        |
| PROPERTIES   |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| GENERATED    |               |           |         |      |        |
|              |               |           |         |      |        |
| UNDER TD     |               |           |         |      |        |
| 1012. THE    |               |           |         |      |        |
| EFFECT OF    |               |           |         |      |        |
| M            |               |           |         |      |        |
| AG-HAMMERING |               |           |         |      |        |
| TO REMOVE    |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
|              |               |           |         |      |        |
| WAS ALSO     |               |           |         |      |        |
| EVALUATED    |               |           |         |      |        |
| UNDER THE    |               |           |         |      |        |
| SAME TD.     |               |           |         |      |        |
| RESULTS OF   |               |           |         |      |        |
| THESE        |               |           |         |      |        |
| IN           |               |           |         |      |        |
| VESTIGATIONS |               |           |         |      |        |
|              |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| DOCUMENTED   |               |           |         |      |        |
| ON MEMO      |               |           |         |      |        |
| 3516-83-279. |               |           |         |      |        |
| A            |               |           |         |      |        |
| DDITIONALLY, |               |           |         |      |        |
| THE PEAKING  |               |           |         |      |        |
| &            |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| DATA BASE    |               |           |         |      |        |
| WAS EXTENDED |               |           |         |      |        |
| TO THAN 10   |               |           |         |      |        |
| DEGS PEAKING |               |           |         |      |        |
| & GREATER    |               |           |         |      |        |
|              |               |           |         |      |        |
| GREATER THAN |               |           |         |      |        |
| 0.090-IN.    |               |           |         |      |        |
| MISMATCH.    |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 9-15-83.     |               |           |         |      |        |
| TASK B-II -  |               |           |         |      |        |
| WELD         |               |           |         |      |        |
|              |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| MANUAL-TIG - |               |           |         |      |        |
| A BOSOR5     |               |           |         |      |        |
| ANALYSIS FOR |               |           |         |      |        |
| 5018 & 5019  |               |           |         |      |        |
| WELDS WAS    |               |           |         |      |        |
|              |               |           |         |      |        |
| PERFORMED TO |               |           |         |      |        |
| ESTABLISH    |               |           |         |      |        |
| PEAKING,     |               |           |         |      |        |
| MISMATCH, &  |               |           |         |      |        |
| STRESS       |               |           |         |      |        |
| INTERACTION  |               |           |         |      |        |
| CURVES       |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS         |               |           |         |      |        |
| ANALYSIS WAS |               |           |         |      |        |
| COM- PLETED  |               |           |         |      |        |
| IN MARCH     |               |           |         |      |        |
| 1983. ALSO,  |               |           |         |      |        |
| A TIG WELD   |               |           |         |      |        |
|              |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| MANUAL BASED |               |           |         |      |        |
| ON FLOW      |               |           |         |      |        |
| SIZE,        |               |           |         |      |        |
| STRESS,      |               |           |         |      |        |
| LOCATION, &  |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| VALUES FOR   |               |           |         |      |        |
| SELECTED     |               |           |         |      |        |
| WELDS WAS    |               |           |         |      |        |
| DEVELOPED.   |               |           |         |      |        |
| THIS WAS     |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
|              |               |           |         |      |        |
| 11-30-83 &   |               |           |         |      |        |
| DOCUMENTED   |               |           |         |      |        |
| ON B01640. A |               |           |         |      |        |
| FEASIBILITY  |               |           |         |      |        |
| STUDY FOR    |               |           |         |      |        |
| INCREASING   |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| TOLERANCES   |               |           |         |      |        |
| IN STABILITY |               |           |         |      |        |
| CRITICAL     |               |           |         |      |        |
| AREAS ON     |               |           |         |      |        |
| 5018 &       |               |           |         |      |        |
|              |               |           |         |      |        |
| 5019 WELDS   |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| PERFORMED.   |               |           |         |      |        |
| IT WAS       |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| THAT         |               |           |         |      |        |
| INCREASING   |               |           |         |      |        |
| TOLERANCES   |               |           |         |      |        |
|              |               |           |         |      |        |
| IS FEASIBLE  |               |           |         |      |        |
| & WAS        |               |           |         |      |        |
| DOCUMENTED   |               |           |         |      |        |
| ON MEMO\'S   |               |           |         |      |        |
| 3512-83-070  |               |           |         |      |        |
| &            |               |           |         |      |        |
| 3512-83-087. |               |           |         |      |        |
| A            |               |           |         |      |        |
|              |               |           |         |      |        |
| WELD         |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| MANUAL SHALL |               |           |         |      |        |
| BE GENERATED |               |           |         |      |        |
| ON REMAINING |               |           |         |      |        |
| MAJOR WELDS  |               |           |         |      |        |
|              |               |           |         |      |        |
| NOTE: THIS   |               |           |         |      |        |
| TASK IS      |               |           |         |      |        |
| CLOSED BASED |               |           |         |      |        |
| UPON AN      |               |           |         |      |        |
| AGREEMENT    |               |           |         |      |        |
| BETWEEN MSFC |               |           |         |      |        |
| & MMC TO     |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSE THIS   |               |           |         |      |        |
| CAPS &       |               |           |         |      |        |
| CONTINUE     |               |           |         |      |        |
| TRACKING     |               |           |         |      |        |
| PROBLEM ON   |               |           |         |      |        |
| TD-1012.     |               |           |         |      |        |
| TASK B-III - |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| D            |               |           |         |      |        |
| ATA-PLASMA - |               |           |         |      |        |
| VARIABLE     |               |           |         |      |        |
| POLARITY     |               |           |         |      |        |
| PLASMA ARC   |               |           |         |      |        |
| (VPPA)       |               |           |         |      |        |
|              |               |           |         |      |        |
| WELDING      |               |           |         |      |        |
| CURVES SHALL |               |           |         |      |        |
| BE DEVELOPED |               |           |         |      |        |
| UNDER        |               |           |         |      |        |
| TD-1012.     |               |           |         |      |        |
| CURVES SHALL |               |           |         |      |        |
| SHOW THE     |               |           |         |      |        |
|              |               |           |         |      |        |
| EFFECTS OF   |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH ON  |               |           |         |      |        |
| WELD         |               |           |         |      |        |
| MECHANICAL   |               |           |         |      |        |
| PROPERTIES.  |               |           |         |      |        |
| NOTE: THIS   |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK IS      |               |           |         |      |        |
| CLOSED BASED |               |           |         |      |        |
| UPON AN      |               |           |         |      |        |
| AGREEMENT    |               |           |         |      |        |
| BETWEEN MSFC |               |           |         |      |        |
| & MMC TO     |               |           |         |      |        |
| CLOSE THIS   |               |           |         |      |        |
|              |               |           |         |      |        |
| CAPS &       |               |           |         |      |        |
| CONTINUE     |               |           |         |      |        |
| TRACKING     |               |           |         |      |        |
| PROBLEM ON   |               |           |         |      |        |
| TD-1012.     |               |           |         |      |        |
| TASK B-IV -  |               |           |         |      |        |
| CORRELATION  |               |           |         |      |        |
| OF           |               |           |         |      |        |
|              |               |           |         |      |        |
| BOSOR5 TO    |               |           |         |      |        |
| TEST COUPON. |               |           |         |      |        |
| NOTE: SAME   |               |           |         |      |        |
| AS TASK      |               |           |         |      |        |
| B-III NOTE.  |               |           |         |      |        |
| TASK B-V -   |               |           |         |      |        |
| MASS         |               |           |         |      |        |
|              |               |           |         |      |        |
| REPORTING    |               |           |         |      |        |
| SYSTEM - AN  |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| CONDUCTED    |               |           |         |      |        |
| INTO THE     |               |           |         |      |        |
| FEASIBILITY  |               |           |         |      |        |
|              |               |           |         |      |        |
| OF MODI-     |               |           |         |      |        |
| FYING MARS   |               |           |         |      |        |
| (MARTIN      |               |           |         |      |        |
| ANOMALY      |               |           |         |      |        |
| REPORTING    |               |           |         |      |        |
| SYSTEM)      |               |           |         |      |        |
| WRITTEN ON   |               |           |         |      |        |
|              |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| PROCEDURES   |               |           |         |      |        |
| SO AS TO     |               |           |         |      |        |
| REDUCE       |               |           |         |      |        |
| OVERALL      |               |           |         |      |        |
| TIME. THIS   |               |           |         |      |        |
|              |               |           |         |      |        |
| RESULTED IN  |               |           |         |      |        |
| A REVISION   |               |           |         |      |        |
| TO THE STD   |               |           |         |      |        |
| REPAIR       |               |           |         |      |        |
| PROCEDURE    |               |           |         |      |        |
| (SRI) TO     |               |           |         |      |        |
| DEFINE WHEN  |               |           |         |      |        |
|              |               |           |         |      |        |
| A MARS       |               |           |         |      |        |
| WRITTEN ON   |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
| MISMATCH MAY |               |           |         |      |        |
| BE PROCESSED |               |           |         |      |        |
| AS NON-MRB   |               |           |         |      |        |
| OR           |               |           |         |      |        |
|              |               |           |         |      |        |
| MRB.         |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| 7-18-83.     |               |           |         |      |        |
| RESOLUTION - |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| HAS          |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| THAT         |               |           |         |      |        |
|              |               |           |         |      |        |
| THE PEAKING  |               |           |         |      |        |
| & MISMATCH   |               |           |         |      |        |
| VIOLATIONS   |               |           |         |      |        |
| OF WELD      |               |           |         |      |        |
| JOINTS       |               |           |         |      |        |
| WERECAUSED   |               |           |         |      |        |
| BY           |               |           |         |      |        |
|              |               |           |         |      |        |
| INADEQUATE   |               |           |         |      |        |
| TOOLING,     |               |           |         |      |        |
| INADEQUATE   |               |           |         |      |        |
| PROCEDURES,  |               |           |         |      |        |
| &            |               |           |         |      |        |
| EXCEEDINGLY  |               |           |         |      |        |
| TIGHT        |               |           |         |      |        |
|              |               |           |         |      |        |
| TOLERANCE.   |               |           |         |      |        |
| MUCH WORK    |               |           |         |      |        |
| HAS BEEN     |               |           |         |      |        |
| DONE TO      |               |           |         |      |        |
| REDUCE THE   |               |           |         |      |        |
| INCIDENCE OF |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| WELD         |               |           |         |      |        |
| VIOLATIONS.  |               |           |         |      |        |
| INCLUDED     |               |           |         |      |        |
| ARE:         |               |           |         |      |        |
| D            |               |           |         |      |        |
| EVELOPMENTOF |               |           |         |      |        |
| A PEAKING &  |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| COMPUTERIZED |               |           |         |      |        |
| DATA BANK;   |               |           |         |      |        |
| DEVELOPMENT  |               |           |         |      |        |
| OF A NEW     |               |           |         |      |        |
| OPERATING    |               |           |         |      |        |
|              |               |           |         |      |        |
| INSTRUCTIONS |               |           |         |      |        |
| MANUAL FOR   |               |           |         |      |        |
| THE USE OF   |               |           |         |      |        |
| THE AIMS-65  |               |           |         |      |        |
| COMPUTERIZED |               |           |         |      |        |
| PEAKING &    |               |           |         |      |        |
|              |               |           |         |      |        |
| MISMATCH     |               |           |         |      |        |
| MACHINE; THE |               |           |         |      |        |
| 5012 TOOL    |               |           |         |      |        |
| MANDRELS     |               |           |         |      |        |
| WERE         |               |           |         |      |        |
| REALIGNED; & |               |           |         |      |        |
| A WELD       |               |           |         |      |        |
|              |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| MANUAL BASED |               |           |         |      |        |
| ON FLOW      |               |           |         |      |        |
| SIZE,        |               |           |         |      |        |
| STRESS,      |               |           |         |      |        |
| LOCATION,    |               |           |         |      |        |
| ETC., WAS    |               |           |         |      |        |
|              |               |           |         |      |        |
| DEVELOPED.   |               |           |         |      |        |
| ALTHOUGH ALL |               |           |         |      |        |
| TASKS        |               |           |         |      |        |
| ASSIGNED ON  |               |           |         |      |        |
| THIS CAPS    |               |           |         |      |        |
| HAVE NOT     |               |           |         |      |        |
| BEEN         |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSED MSFC  |               |           |         |      |        |
| & MMC AGREED |               |           |         |      |        |
| TO CLOSE     |               |           |         |      |        |
| THIS CAPS &  |               |           |         |      |        |
| TRACK        |               |           |         |      |        |
| UNFINISHED   |               |           |         |      |        |
| TASKS ON     |               |           |         |      |        |
|              |               |           |         |      |        |
| TD-1012.     |               |           |         |      |        |
| RECOMMEND    |               |           |         |      |        |
| THIS PROBLEM |               |           |         |      |        |
| REPORT BE    |               |           |         |      |        |
| CLOSED       |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       |               |           |         |      |        |
| Response/C   |               |           |         |      |        |
| oncurrence** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+

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

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

  --------------- ---------------- -------------------- ----------- ----------- ------------
  **MSFC          **IFA#**\        **Contractor RPT#**\ **JSC#**\   **KSC#**\   **EICN#**\
  Report#**\      \--              S-061                \--         \--         \--
  A06911                                                                        

  **Asmnt         **Asmnt Part     **Asmnt                                      
  Part#**\        Name**\          Serial/Lot#**\                               
  80904000000     L02 & LH2 TANKS  N/A                                          

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

  **Asmnt FMEA**\ **Asmnt FM**\    **FMEA CSE**\        **FMEA                  
  6.2.1.1         1                D                    SCSE**\                 
                                                        1                       

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

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

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

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

  **MAJOR DESIGN                                                                
  CHANGES**                                                                     

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

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