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

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

+-------------+---------------+-----------+----------+------+--------+
| **MSFC      | **In-Flight   | **C       | *        | *    |        |
| Record      | Anomaly       | ontractor | *JSC#**\ | *KSC |        |
| \#**\       | Number**\     | Report    | \--      | #**\ |        |
| A09682      | \--           | Number**\ |          | \--  |        |
|             |               | T-050     |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **Problem   |               |           |          |      |        |
| Title**\    |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| LIFT-OFF    |               |           |          |      |        |
| DURING WET  |               |           |          |      |        |
| TAPE        |               |           |          |      |        |
| TESTING     |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **EICN#**\  | **ELEMENT**\  | **Cont    | **       | **   |        |
| \--         | ET            | ractor**\ | FSCM#**\ | FCRI |        |
|             |               | MMMSS     | \--      | T**\ |        |
|             |               |           |          | 3    |        |
+-------------+---------------+-----------+----------+------+--------+
| **HCRIT**\  | **Sys_Lvl**\  | **Misc    |          |      |        |
| \--         | N             | Codes**\  |          |      |        |
|             |               | A **(2)** |          |      |        |
|             |               | B C D     |          |      |        |
|             |               | **(X)** E |          |      |        |
|             |               | F G H I J |          |      |        |
|             |               | K L M N O |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **          | **NO          | *         | **SER    | *    |        |
| HARDWARE**\ | MENCLATURE**\ | *PART#**\ | /LOT#**\ | *MAN |        |
| EIM         | ET COMPLETE   | 80        | LWT-26   | UFAC |        |
|             |               | 971068420 |          | 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         | ET COMPLETE   | 80        | LWT-26   | UFAC |        |
|             |               | 971068420 |          | TURE |        |
|             |               |           |          | R**\ |        |
|             |               |           |          | MMC  |        |
+-------------+---------------+-----------+----------+------+--------+
| **Test/O    | **Prevailing  | **F /     | **Fail   | **   |        |
| peration**\ | Condtion**\   | U**\      | Mode**\  | Caus |        |
| L - FLD     | F -           | F         | MSI -    | e**\ |        |
|             | FUNCTIONAL    |           | IN       | M    |        |
|             |               |           | SULATION | AW - |        |
|             |               |           |          | MFG- |        |
|             |               |           |          | ASY- |        |
|             |               |           |          | WORK |        |
+-------------+---------------+-----------+----------+------+--------+
| **System**\ | **Defect**\   | **Ma      | **Work   | **   |        |
| TPS         | DD - DETACH   | terial**\ | Co       | Fail |        |
|             |               | F - INSUL | ntact**\ | Dat  |        |
|             |               |           | F.       | e**\ |        |
|             |               |           | RAMSEY   | 09   |        |
|             |               |           |          | /25/ |        |
|             |               |           |          | 1985 |        |
+-------------+---------------+-----------+----------+------+--------+
| **Received  | **Date        | **FMEA    | **IFA:   | *    |        |
| at MSFC**\  | Isolated**\   | Ref       | Mission  | *Mis |        |
| 11/19/1985  | \--           | erence**\ | Phase**\ | sion |        |
|             |               | 1.2.1     | \--      | Ela  |        |
|             |               |           |          | psed |        |
|             |               |           |          | Tim  |        |
|             |               |           |          | e**\ |        |
|             |               |           |          | \--  |        |
+-------------+---------------+-----------+----------+------+--------+
| **          |               | **S       |          | **   |        |
| Location**\ |               | ymptom**\ |          | Time |        |
| MAF         |               | UC -      |          | Cycl |        |
|             |               | UNSAT     |          | e**\ |        |
|             |               |           |          | \--  |        |
+-------------+---------------+-----------+----------+------+--------+
| **          |               |           |          |      |        |
| Effectivity |               |           |          |      |        |
| Text**\     |               |           |          |      |        |
| LWT-37      |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **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   | **Remark |      |        |
| Approved    | Req Defer     | Close**\  | /        |      |        |
| Defer Until | Until Date**\ | \--       | A        |      |        |
| Date**\     | \--           |           | ction**\ |      |        |
| \--         |               |           | \--      |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **In        |               |           |          |      |        |
| vestigation |               |           |          |      |        |
| /           |               |           |          |      |        |
| Resolution  |               |           |          |      |        |
| Summary**   |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **Last MSFC | **CN RSLV     | **Defer   | **Add    | *    |        |
| Update**\   | SBMT**\       | Date**\   | Date**\  | *R/C |        |
| 01/03/1992  | 09/15/1986    | \--       | \--      | Code |        |
|             |               |           |          | s**\ |        |
|             |               |           |          | 2 -  |        |
|             |               |           |          | MFG  |        |
|             |               |           |          | \--  |        |
|             |               |           |          | \--  |        |
+-------------+---------------+-----------+----------+------+--------+
| *           |               |           |          |      |        |
| *Assignee** |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **Design**\ | **Chief       | **S &     | **Pr     | *    |        |
| B. DAVIS    | Engineer**\   | MA**\     | oject**\ | *Pro |        |
|             | \--           | R.        | J.       | ject |        |
|             |               | JACKSON   | C        | MG   |        |
|             |               |           | AVALARIS | R**\ |        |
|             |               |           |          | \--  |        |
+-------------+---------------+-----------+----------+------+--------+
| *           |               |           |          |      |        |
| *Approval** |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **Design**\ | **Chief       | **S &     | **Pr     | *    |        |
| B. DAVIS    | Engineer**\   | MA**\     | oject**\ | *Pro |        |
|             | \--           | R.        | J.       | ject |        |
|             |               | JACKSON   | C        | MG   |        |
|             |               |           | AVALARIS | R**\ |        |
|             |               |           |          | \--  |        |
+-------------+---------------+-----------+----------+------+--------+
| **PAC       | **PAC Review  | **MSFC    | **S      | *    |        |
| Assignee**\ | Complete**\   | Closure   | tatus**\ | *F/A |        |
| G. MILLER   | GM            | Date**\   | C -      | C    |        |
|             |               | 1         | CLOSED   | ompl |        |
|             |               | 0/24/1986 |          | 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       | **Approval    |           |          |      |        |
| PERSON      | Signature     |           |          |      |        |
| L2**\       | 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**   |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **Reliabil  |               |           |          |      |        |
| ity/Quality |               |           |          |      |        |
| Assurance   |               |           |          |      |        |
| Concerns,   |               |           |          |      |        |
| Recomme     |               |           |          |      |        |
| ndations:** |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **Problem   |               |           |          |      |        |
| De          |               |           |          |      |        |
| scription** |               |           |          |      |        |
|             |               |           |          |      |        |
| REF: MARS   |               |           |          |      |        |
| T-79000     |               |           |          |      |        |
| DURING A    |               |           |          |      |        |
| WET TAPE    |               |           |          |      |        |
| TESTING     |               |           |          |      |        |
| OPERATION   |               |           |          |      |        |
| IN A        |               |           |          |      |        |
| SCHEDULED   |               |           |          |      |        |
|             |               |           |          |      |        |
| CLOSEOUT    |               |           |          |      |        |
| AREA,       |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| LIFT-OFF    |               |           |          |      |        |
| WAS         |               |           |          |      |        |
| NOTICED.    |               |           |          |      |        |
| THE ANOMALY |               |           |          |      |        |
| EXTENDED    |               |           |          |      |        |
| INTO        |               |           |          |      |        |
|             |               |           |          |      |        |
| AN AREA     |               |           |          |      |        |
| WHICH WAS   |               |           |          |      |        |
| PREVIOUSLY  |               |           |          |      |        |
| PRIMED IN   |               |           |          |      |        |
| CELL \"P.\" |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| *           |               |           |          |      |        |
| *Contractor |               |           |          |      |        |
| Inve        |               |           |          |      |        |
| stigation/R |               |           |          |      |        |
| esolution** |               |           |          |      |        |
|             |               |           |          |      |        |
| 11/19/85    |               |           |          |      |        |
| GENERAL -   |               |           |          |      |        |
| THE LH2     |               |           |          |      |        |
| TANK IS     |               |           |          |      |        |
| CLEANED AND |               |           |          |      |        |
| EPOXY       |               |           |          |      |        |
| PRIMED IN   |               |           |          |      |        |
| CELL        |               |           |          |      |        |
|             |               |           |          |      |        |
| \"P,\"      |               |           |          |      |        |
| BUILDING    |               |           |          |      |        |
| 131. AFTER  |               |           |          |      |        |
| THE         |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| OPERATION,  |               |           |          |      |        |
| THE ENTIRE  |               |           |          |      |        |
| TANK IS     |               |           |          |      |        |
|             |               |           |          |      |        |
| INSPECTED   |               |           |          |      |        |
| FOR VISUAL  |               |           |          |      |        |
| CLEANLINESS |               |           |          |      |        |
| AND OBVIOUS |               |           |          |      |        |
| STAINS AND  |               |           |          |      |        |
| DIS         |               |           |          |      |        |
| COLORATIONS |               |           |          |      |        |
|             |               |           |          |      |        |
| STAINS MAY  |               |           |          |      |        |
| BE CLEANED  |               |           |          |      |        |
| IMMEDIATELY |               |           |          |      |        |
| PRIOR TO    |               |           |          |      |        |
| EPOXY       |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| A           |               |           |          |      |        |
| PPLICATION, |               |           |          |      |        |
| OR          |               |           |          |      |        |
|             |               |           |          |      |        |
| MASKED WITH |               |           |          |      |        |
| J-414 TAPE  |               |           |          |      |        |
| AND TOUCHED |               |           |          |      |        |
| UP AFTER    |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| A           |               |           |          |      |        |
| PPLICATION. |               |           |          |      |        |
| HISTORY     |               |           |          |      |        |
|             |               |           |          |      |        |
| OF CELL     |               |           |          |      |        |
| \"P\" SHOWS |               |           |          |      |        |
| THAT MOST   |               |           |          |      |        |
| TANKS HAVE  |               |           |          |      |        |
| HAD A STAIN |               |           |          |      |        |
| ANOMALY     |               |           |          |      |        |
| WHICH IS    |               |           |          |      |        |
|             |               |           |          |      |        |
| CAUSED BY   |               |           |          |      |        |
| DRIPS FROM  |               |           |          |      |        |
| THE CEILING |               |           |          |      |        |
| AND         |               |           |          |      |        |
| ENTRAPMENT  |               |           |          |      |        |
| AREAS       |               |           |          |      |        |
| AROUND THE  |               |           |          |      |        |
| 2058        |               |           |          |      |        |
|             |               |           |          |      |        |
| ROLL RINGS. |               |           |          |      |        |
| ANOTHER     |               |           |          |      |        |
| PROBLEM     |               |           |          |      |        |
| AREA HAS    |               |           |          |      |        |
| BEEN AROUND |               |           |          |      |        |
| THE LH2     |               |           |          |      |        |
| FEEDLINE    |               |           |          |      |        |
|             |               |           |          |      |        |
| FLANGE DUE  |               |           |          |      |        |
| TO MASKING  |               |           |          |      |        |
| ENTRAPMENT  |               |           |          |      |        |
| OF THE      |               |           |          |      |        |
| FEEDLINE.   |               |           |          |      |        |
| IN BUILDING |               |           |          |      |        |
| 420, THE    |               |           |          |      |        |
|             |               |           |          |      |        |
| AREA AROUND |               |           |          |      |        |
| THE         |               |           |          |      |        |
| FEEDLINE    |               |           |          |      |        |
| FLANGE IS   |               |           |          |      |        |
| CLOSED OUT  |               |           |          |      |        |
| WITH PRIMER |               |           |          |      |        |
| AND FOAM    |               |           |          |      |        |
| PER         |               |           |          |      |        |
|             |               |           |          |      |        |
| MPP. AFTER  |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| A           |               |           |          |      |        |
| PPLICATION, |               |           |          |      |        |
| THE AREA IS |               |           |          |      |        |
| WET TAPE    |               |           |          |      |        |
| TESTED PER  |               |           |          |      |        |
| STP/PI      |               |           |          |      |        |
|             |               |           |          |      |        |
| 3004\.      |               |           |          |      |        |
| DURING THIS |               |           |          |      |        |
| OPERATION   |               |           |          |      |        |
| ON LWT-26,  |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| LIFT-OFF    |               |           |          |      |        |
| WAS NOTED   |               |           |          |      |        |
| ON AN       |               |           |          |      |        |
|             |               |           |          |      |        |
| AREA        |               |           |          |      |        |
| ADJACENT TO |               |           |          |      |        |
| THE         |               |           |          |      |        |
| SCHEDULED   |               |           |          |      |        |
| CLOSEOUT.   |               |           |          |      |        |
| THE FAILED  |               |           |          |      |        |
| AREA WAS    |               |           |          |      |        |
| CHASED OUT  |               |           |          |      |        |
|             |               |           |          |      |        |
| UNTIL       |               |           |          |      |        |
| INDICATION  |               |           |          |      |        |
| OF GOOD     |               |           |          |      |        |
| ADHESION    |               |           |          |      |        |
| WAS NOTED.  |               |           |          |      |        |
| THE CAUSE   |               |           |          |      |        |
| OF LOW      |               |           |          |      |        |
| PRIMER TO   |               |           |          |      |        |
|             |               |           |          |      |        |
| SUBSTRATE   |               |           |          |      |        |
| ADHESION IS |               |           |          |      |        |
| DUE TO      |               |           |          |      |        |
| IMPROPER    |               |           |          |      |        |
| TOUCH-UP OF |               |           |          |      |        |
| STAIN AREAS |               |           |          |      |        |
| IN CELL     |               |           |          |      |        |
|             |               |           |          |      |        |
| \"P.\"      |               |           |          |      |        |
| INVE        |               |           |          |      |        |
| STIGATION - |               |           |          |      |        |
| THIS CAPS   |               |           |          |      |        |
| WILL        |               |           |          |      |        |
| ADDRESS THE |               |           |          |      |        |
| CORRECTIVE  |               |           |          |      |        |
| ACTION TO   |               |           |          |      |        |
|             |               |           |          |      |        |
| PRECLUDE    |               |           |          |      |        |
| LATENT      |               |           |          |      |        |
| DEFECTS     |               |           |          |      |        |
| CAUSED BY   |               |           |          |      |        |
| STAINS IN   |               |           |          |      |        |
| CELL \"P.\" |               |           |          |      |        |
| IN          |               |           |          |      |        |
| VESTIGATIVE |               |           |          |      |        |
|             |               |           |          |      |        |
| TASKS HAVE  |               |           |          |      |        |
| BEEN        |               |           |          |      |        |
| IDENTIFIED  |               |           |          |      |        |
| AS FOLLOWS: |               |           |          |      |        |
| TASK I      |               |           |          |      |        |
| QUALITY     |               |           |          |      |        |
| ENGINEERING |               |           |          |      |        |
| AND         |               |           |          |      |        |
|             |               |           |          |      |        |
| QUALITY     |               |           |          |      |        |
| CONTROL TO  |               |           |          |      |        |
| REVIEW      |               |           |          |      |        |
| PRESENT     |               |           |          |      |        |
| MAPPING     |               |           |          |      |        |
| R           |               |           |          |      |        |
| EQUIREMENTS |               |           |          |      |        |
| OF STAINS   |               |           |          |      |        |
| IN THE      |               |           |          |      |        |
|             |               |           |          |      |        |
| MPP\'S.     |               |           |          |      |        |
| ADDRESS ANY |               |           |          |      |        |
| ALTERNATE   |               |           |          |      |        |
| METHOD(S)   |               |           |          |      |        |
| OF          |               |           |          |      |        |
| RECORDING   |               |           |          |      |        |
| STAIN       |               |           |          |      |        |
| LOCATIONS   |               |           |          |      |        |
|             |               |           |          |      |        |
| OCCURRING   |               |           |          |      |        |
| ON THE LH2  |               |           |          |      |        |
| TANK. TASK  |               |           |          |      |        |
| II          |               |           |          |      |        |
| MATERIALS   |               |           |          |      |        |
| E           |               |           |          |      |        |
| NGINEERING, |               |           |          |      |        |
| QUALITY     |               |           |          |      |        |
|             |               |           |          |      |        |
| E           |               |           |          |      |        |
| NGINEERING, |               |           |          |      |        |
| AND AMT TO  |               |           |          |      |        |
| REVIEW      |               |           |          |      |        |
| PRESENT     |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| METHOD FOR  |               |           |          |      |        |
| TOUCH-UP    |               |           |          |      |        |
|             |               |           |          |      |        |
| AREAS USED  |               |           |          |      |        |
| IN CELL     |               |           |          |      |        |
| \"P.\"      |               |           |          |      |        |
| ADDRESS ANY |               |           |          |      |        |
| ALTERNATE   |               |           |          |      |        |
| METHOD(S)   |               |           |          |      |        |
| WHICH WOULD |               |           |          |      |        |
|             |               |           |          |      |        |
| INCREASE    |               |           |          |      |        |
| THE         |               |           |          |      |        |
| RELIABILITY |               |           |          |      |        |
| OF THE      |               |           |          |      |        |
| REWORKED    |               |           |          |      |        |
| AREA. TASK  |               |           |          |      |        |
| III         |               |           |          |      |        |
| MA          |               |           |          |      |        |
| NUFACTURING |               |           |          |      |        |
|             |               |           |          |      |        |
| ENGINEERING |               |           |          |      |        |
| AND AMT TO  |               |           |          |      |        |
| REVIEW CELL |               |           |          |      |        |
| \"P\" AREA  |               |           |          |      |        |
| (           |               |           |          |      |        |
| ENVIRONMENT |               |           |          |      |        |
| AND         |               |           |          |      |        |
| TOOLING)    |               |           |          |      |        |
|             |               |           |          |      |        |
| TO IDENTIFY |               |           |          |      |        |
| ENTRAPMENT  |               |           |          |      |        |
| AREAS WHICH |               |           |          |      |        |
| COULD CAUSE |               |           |          |      |        |
| STRAINS ON  |               |           |          |      |        |
| A CLEAN     |               |           |          |      |        |
| TANK        |               |           |          |      |        |
|             |               |           |          |      |        |
| CAUSE OF    |               |           |          |      |        |
| PROBLEM IS  |               |           |          |      |        |
| AS          |               |           |          |      |        |
| FOLLOWS: 1. |               |           |          |      |        |
| DEOXIDIZER  |               |           |          |      |        |
| RESIDUE ON  |               |           |          |      |        |
| TANK        |               |           |          |      |        |
|             |               |           |          |      |        |
| SUBSTRATE.  |               |           |          |      |        |
| 2.          |               |           |          |      |        |
| IMPROPERLY  |               |           |          |      |        |
| CLEANED     |               |           |          |      |        |
| STAINS ON   |               |           |          |      |        |
| AFT DOME.   |               |           |          |      |        |
| 4/17/86 PRB |               |           |          |      |        |
| STATUS      |               |           |          |      |        |
|             |               |           |          |      |        |
| \- PROBLEM  |               |           |          |      |        |
| WAS CAUSED  |               |           |          |      |        |
| BY          |               |           |          |      |        |
| DEOXIDIZER  |               |           |          |      |        |
| RESIDUE ON  |               |           |          |      |        |
| TANK        |               |           |          |      |        |
| SUBSTRATE   |               |           |          |      |        |
| AND         |               |           |          |      |        |
|             |               |           |          |      |        |
| IMPROPERLY  |               |           |          |      |        |
| CLEANED     |               |           |          |      |        |
| STAINS ON   |               |           |          |      |        |
| AFT DOME.   |               |           |          |      |        |
| CORRECTIVE  |               |           |          |      |        |
| ACTION IS   |               |           |          |      |        |
| INCREASED   |               |           |          |      |        |
|             |               |           |          |      |        |
| INSPECTION  |               |           |          |      |        |
| POINTS AND  |               |           |          |      |        |
| UPDATED     |               |           |          |      |        |
| MAPPING     |               |           |          |      |        |
| PROCEDURE.  |               |           |          |      |        |
| CAPS IS IN  |               |           |          |      |        |
| CLOSURE     |               |           |          |      |        |
|             |               |           |          |      |        |
| LOOP AT     |               |           |          |      |        |
| MMC.        |               |           |          |      |        |
| 5/15/86 PRB |               |           |          |      |        |
| STATUS - NO |               |           |          |      |        |
| CHANGE.     |               |           |          |      |        |
| 6/9/86      |               |           |          |      |        |
| FAILURE     |               |           |          |      |        |
|             |               |           |          |      |        |
| INVE        |               |           |          |      |        |
| STIGATION - |               |           |          |      |        |
| THE LH2     |               |           |          |      |        |
| TANK IS     |               |           |          |      |        |
| CLEANED AND |               |           |          |      |        |
| EPOXY       |               |           |          |      |        |
| PRIMED IN   |               |           |          |      |        |
| CELL \"P,\" |               |           |          |      |        |
|             |               |           |          |      |        |
| BUILDING    |               |           |          |      |        |
| 131. AFTER  |               |           |          |      |        |
| THE         |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| OPERATION,  |               |           |          |      |        |
| THE ENTIRE  |               |           |          |      |        |
| TANK IS     |               |           |          |      |        |
|             |               |           |          |      |        |
| INSPECTED   |               |           |          |      |        |
| FOR VISUAL  |               |           |          |      |        |
| C           |               |           |          |      |        |
| LEANLINESS, |               |           |          |      |        |
| OBVIOUS     |               |           |          |      |        |
| STAINS, AND |               |           |          |      |        |
| DIS         |               |           |          |      |        |
| COLORATIONS |               |           |          |      |        |
|             |               |           |          |      |        |
| STAINS MAY  |               |           |          |      |        |
| BE CLEANED  |               |           |          |      |        |
| IMMEDIATELY |               |           |          |      |        |
| PRIOR TO    |               |           |          |      |        |
| EPOXY       |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| A           |               |           |          |      |        |
| PPLICATION, |               |           |          |      |        |
| OR          |               |           |          |      |        |
|             |               |           |          |      |        |
| MASKED WITH |               |           |          |      |        |
| J-414 TAPE  |               |           |          |      |        |
| AND TOUCHED |               |           |          |      |        |
| UP AFTER    |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| A           |               |           |          |      |        |
| PPLICATION. |               |           |          |      |        |
| HISTORY     |               |           |          |      |        |
|             |               |           |          |      |        |
| OF CELL     |               |           |          |      |        |
| \"P\" SHOWS |               |           |          |      |        |
| THAT MOST   |               |           |          |      |        |
| TANKS HAVE  |               |           |          |      |        |
| HAD A STAIN |               |           |          |      |        |
| ANOMALY     |               |           |          |      |        |
| WHICH IS    |               |           |          |      |        |
|             |               |           |          |      |        |
| CAUSED BY   |               |           |          |      |        |
| DRIPS FROM  |               |           |          |      |        |
| THE         |               |           |          |      |        |
| CEILING,    |               |           |          |      |        |
| ENTRAPMENT  |               |           |          |      |        |
| AREAS       |               |           |          |      |        |
| AROUND THE  |               |           |          |      |        |
| 2058 ROLL   |               |           |          |      |        |
|             |               |           |          |      |        |
| RINGS, AND  |               |           |          |      |        |
| FLUID       |               |           |          |      |        |
| ENTRAPMENT  |               |           |          |      |        |
| IN THE      |               |           |          |      |        |
| MASKING     |               |           |          |      |        |
| MATERIAL OF |               |           |          |      |        |
| THE LH2     |               |           |          |      |        |
|             |               |           |          |      |        |
| FEEDLINE.   |               |           |          |      |        |
| IN BUILDING |               |           |          |      |        |
| 420, THE    |               |           |          |      |        |
| AREA AROUND |               |           |          |      |        |
| THE         |               |           |          |      |        |
| FEEDLINE    |               |           |          |      |        |
| FLANGE IS   |               |           |          |      |        |
|             |               |           |          |      |        |
| CLOSED OUT  |               |           |          |      |        |
| WITH PRIMER |               |           |          |      |        |
| AND FOAM    |               |           |          |      |        |
| PER MPP.    |               |           |          |      |        |
| AFTER       |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| A           |               |           |          |      |        |
| PPLICATION, |               |           |          |      |        |
| THE         |               |           |          |      |        |
|             |               |           |          |      |        |
| AREA IS WET |               |           |          |      |        |
| TAPE TESTED |               |           |          |      |        |
| PER STP/PI  |               |           |          |      |        |
| 3004.       |               |           |          |      |        |
| DURING THIS |               |           |          |      |        |
| OPERATION   |               |           |          |      |        |
| ON          |               |           |          |      |        |
|             |               |           |          |      |        |
| LWT-26,     |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| LIFT-OFF    |               |           |          |      |        |
| WAS NOTED   |               |           |          |      |        |
| ON AN AREA  |               |           |          |      |        |
| ADJACENT TO |               |           |          |      |        |
| THE         |               |           |          |      |        |
| SCHEDULED   |               |           |          |      |        |
|             |               |           |          |      |        |
| CLOSEOUT.   |               |           |          |      |        |
| THE FAILED  |               |           |          |      |        |
| AREA WAS    |               |           |          |      |        |
| CHASED OUT  |               |           |          |      |        |
| UNTIL       |               |           |          |      |        |
| INDICATION  |               |           |          |      |        |
| OF GOOD     |               |           |          |      |        |
|             |               |           |          |      |        |
| ADHESION    |               |           |          |      |        |
| WAS NOTED.  |               |           |          |      |        |
| SAMPLES OF  |               |           |          |      |        |
| THE FAILED  |               |           |          |      |        |
| PRIMER WERE |               |           |          |      |        |
| FORWARDED   |               |           |          |      |        |
| TO THE      |               |           |          |      |        |
|             |               |           |          |      |        |
| QE LAB FOR  |               |           |          |      |        |
| ANALYSIS.   |               |           |          |      |        |
| RESULTS     |               |           |          |      |        |
| SHOWED THAT |               |           |          |      |        |
| A           |               |           |          |      |        |
| DEOXIDIZER  |               |           |          |      |        |
| RESIDUE WAS |               |           |          |      |        |
|             |               |           |          |      |        |
| PRESENT ON  |               |           |          |      |        |
| THE TANK    |               |           |          |      |        |
| SUBSTRATE.  |               |           |          |      |        |
| THIS WOULD  |               |           |          |      |        |
| INDICATE    |               |           |          |      |        |
| THAT THE    |               |           |          |      |        |
| CAUSE OF    |               |           |          |      |        |
|             |               |           |          |      |        |
| LOW PRIMER  |               |           |          |      |        |
| ADHESION    |               |           |          |      |        |
| WAS DUE TO  |               |           |          |      |        |
| IMPROPER    |               |           |          |      |        |
| CLEANING OF |               |           |          |      |        |
| STAINED     |               |           |          |      |        |
| AREAS ON    |               |           |          |      |        |
|             |               |           |          |      |        |
| THE TANK    |               |           |          |      |        |
| PRIOR TO    |               |           |          |      |        |
| REWORK IN   |               |           |          |      |        |
| BUILDING    |               |           |          |      |        |
| 131, CELL   |               |           |          |      |        |
| \"P.\" A    |               |           |          |      |        |
| REVIEW OF   |               |           |          |      |        |
| THE         |               |           |          |      |        |
|             |               |           |          |      |        |
| BUILD LOGS  |               |           |          |      |        |
| FOR LWT\'S  |               |           |          |      |        |
| 28, 29, 30, |               |           |          |      |        |
| AND 31 WAS  |               |           |          |      |        |
| COMPLETED   |               |           |          |      |        |
| TO ASSURE   |               |           |          |      |        |
| THAT        |               |           |          |      |        |
|             |               |           |          |      |        |
| THE REPAIRS |               |           |          |      |        |
| AROUND THE  |               |           |          |      |        |
| 2058 RING   |               |           |          |      |        |
| FRAME WAS   |               |           |          |      |        |
| INSPECTED   |               |           |          |      |        |
| AND TESTED  |               |           |          |      |        |
|             |               |           |          |      |        |
| RESULTS     |               |           |          |      |        |
| INDICATE    |               |           |          |      |        |
| THAT EACH   |               |           |          |      |        |
| VEHICLE HAD |               |           |          |      |        |
| MINOR       |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| LIFT-OFF IN |               |           |          |      |        |
| THESE       |               |           |          |      |        |
|             |               |           |          |      |        |
| AREAS, AND  |               |           |          |      |        |
| WERE        |               |           |          |      |        |
| REWORKED TO |               |           |          |      |        |
| DRAWING     |               |           |          |      |        |
| CON         |               |           |          |      |        |
| FIGURATION. |               |           |          |      |        |
| REFERENCE   |               |           |          |      |        |
| DR\'S       |               |           |          |      |        |
|             |               |           |          |      |        |
| D-108749,   |               |           |          |      |        |
| D-114563,   |               |           |          |      |        |
| D-114150    |               |           |          |      |        |
| AND         |               |           |          |      |        |
| D-129442.   |               |           |          |      |        |
| CLEARANCE   |               |           |          |      |        |
| OF          |               |           |          |      |        |
| EF          |               |           |          |      |        |
| FECTIVITIES |               |           |          |      |        |
| -           |               |           |          |      |        |
|             |               |           |          |      |        |
| NO          |               |           |          |      |        |
| CONSTRAINTS |               |           |          |      |        |
| WERE PLACED |               |           |          |      |        |
| ON ANY      |               |           |          |      |        |
| EFFECTIVITY |               |           |          |      |        |
| BASED ON    |               |           |          |      |        |
| THE         |               |           |          |      |        |
| FOLLOWING   |               |           |          |      |        |
|             |               |           |          |      |        |
| RATIONALE:  |               |           |          |      |        |
| WET TAPE    |               |           |          |      |        |
| ADHESION    |               |           |          |      |        |
| TESTS WERE  |               |           |          |      |        |
| PERFORMED   |               |           |          |      |        |
| ON LWT\'S   |               |           |          |      |        |
| 28, 29, 30  |               |           |          |      |        |
|             |               |           |          |      |        |
| AND 31 IN   |               |           |          |      |        |
| THE SAME    |               |           |          |      |        |
| LOCATION    |               |           |          |      |        |
| WITH ONLY   |               |           |          |      |        |
| MINOR       |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| FAILURE     |               |           |          |      |        |
| REPORTED    |               |           |          |      |        |
|             |               |           |          |      |        |
| ALL         |               |           |          |      |        |
| EF          |               |           |          |      |        |
| FECTIVITIES |               |           |          |      |        |
| ARE WET     |               |           |          |      |        |
| TAPE TESTED |               |           |          |      |        |
| PER MPP.    |               |           |          |      |        |
| 6/9/86      |               |           |          |      |        |
| RESOLUTION  |               |           |          |      |        |
| -           |               |           |          |      |        |
|             |               |           |          |      |        |
| FAILURE     |               |           |          |      |        |
| ANALYSIS    |               |           |          |      |        |
| REVEALED    |               |           |          |      |        |
| THAT THE    |               |           |          |      |        |
| AREA OF LOW |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| ADHESION    |               |           |          |      |        |
| WAS         |               |           |          |      |        |
|             |               |           |          |      |        |
| ISOLATED TO |               |           |          |      |        |
| THE LWT-26  |               |           |          |      |        |
| LH2         |               |           |          |      |        |
| FEEDLINE    |               |           |          |      |        |
| FLANGE, AND |               |           |          |      |        |
| AN AREA     |               |           |          |      |        |
| CLOSE TO    |               |           |          |      |        |
| THE         |               |           |          |      |        |
|             |               |           |          |      |        |
| 2058 RING   |               |           |          |      |        |
| FRAME AT    |               |           |          |      |        |
| THE +Z      |               |           |          |      |        |
| AXIS.       |               |           |          |      |        |
| CORREC      |               |           |          |      |        |
| TIVEACTIONS |               |           |          |      |        |
| IMPLEMENTED |               |           |          |      |        |
| WERE IN     |               |           |          |      |        |
|             |               |           |          |      |        |
| TWO         |               |           |          |      |        |
| CAT         |               |           |          |      |        |
| EGORIES: 1) |               |           |          |      |        |
| FACILITY    |               |           |          |      |        |
| IM          |               |           |          |      |        |
| PROVEMENTS; |               |           |          |      |        |
| AND 2)      |               |           |          |      |        |
| DO          |               |           |          |      |        |
| CUMENTATION |               |           |          |      |        |
|             |               |           |          |      |        |
| 23 FACILITY |               |           |          |      |        |
| I           |               |           |          |      |        |
| MPROVEMENTS |               |           |          |      |        |
| INCLUDED: - |               |           |          |      |        |
| REPLACING   |               |           |          |      |        |
| MASKING     |               |           |          |      |        |
| TAPE WITH   |               |           |          |      |        |
| BLANK       |               |           |          |      |        |
|             |               |           |          |      |        |
| OFF         |               |           |          |      |        |
| PLATES -    |               |           |          |      |        |
| ADCOATING   |               |           |          |      |        |
| BLIND HOLES |               |           |          |      |        |
| IN THE ROLL |               |           |          |      |        |
| RING -      |               |           |          |      |        |
| ACTIVATING  |               |           |          |      |        |
| NEW         |               |           |          |      |        |
|             |               |           |          |      |        |
| AUTOMATIC   |               |           |          |      |        |
| CEILING     |               |           |          |      |        |
| RINSE       |               |           |          |      |        |
| SYSTEM -    |               |           |          |      |        |
| I           |               |           |          |      |        |
| NSTALLATION |               |           |          |      |        |
| OF          |               |           |          |      |        |
| AUTOMATIC   |               |           |          |      |        |
| DRAIN       |               |           |          |      |        |
| SYSTEM      |               |           |          |      |        |
|             |               |           |          |      |        |
| TO REMOVE   |               |           |          |      |        |
| RESIDUAL    |               |           |          |      |        |
| WATER ON    |               |           |          |      |        |
| SPRAY BOOM. |               |           |          |      |        |
| DO          |               |           |          |      |        |
| CUMENTATION |               |           |          |      |        |
| CHANGES     |               |           |          |      |        |
| INCLUDED    |               |           |          |      |        |
|             |               |           |          |      |        |
| UPDATING    |               |           |          |      |        |
| THE MPP\'S  |               |           |          |      |        |
| TO          |               |           |          |      |        |
| INCLUDE: -  |               |           |          |      |        |
| A MAPPING   |               |           |          |      |        |
| OF ALL      |               |           |          |      |        |
| STAINS ON   |               |           |          |      |        |
| THE TANK -  |               |           |          |      |        |
|             |               |           |          |      |        |
| INCREMENTAL |               |           |          |      |        |
| BUY-OFF     |               |           |          |      |        |
| STEP DURING |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| AND         |               |           |          |      |        |
| REWORKING   |               |           |          |      |        |
| OF STAINED  |               |           |          |      |        |
|             |               |           |          |      |        |
| AREAS.      |               |           |          |      |        |
| AD          |               |           |          |      |        |
| DITIONALLY, |               |           |          |      |        |
| MATERIALS   |               |           |          |      |        |
| E           |               |           |          |      |        |
| NGINEERING, |               |           |          |      |        |
| AMT, AND    |               |           |          |      |        |
| QUALITY     |               |           |          |      |        |
|             |               |           |          |      |        |
| ENGINEERING |               |           |          |      |        |
| REVIEWED    |               |           |          |      |        |
| THE PRESENT |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| METHOD FOR  |               |           |          |      |        |
| TOUCH UP OF |               |           |          |      |        |
| STAINS      |               |           |          |      |        |
|             |               |           |          |      |        |
| AND FOUND   |               |           |          |      |        |
| THEM TO BE  |               |           |          |      |        |
| ADEQUATE.   |               |           |          |      |        |
| NO FURTHER  |               |           |          |      |        |
| RECURRENCE  |               |           |          |      |        |
| CONTROL     |               |           |          |      |        |
| ACTION IS   |               |           |          |      |        |
|             |               |           |          |      |        |
| CONSIDERED  |               |           |          |      |        |
| NECESSARY.  |               |           |          |      |        |
| RECOMMEND   |               |           |          |      |        |
| THIS        |               |           |          |      |        |
| PROBLEM     |               |           |          |      |        |
| REPORT BE   |               |           |          |      |        |
| CLOSED.     |               |           |          |      |        |
| 7/23/86     |               |           |          |      |        |
|             |               |           |          |      |        |
| RESOLUTION  |               |           |          |      |        |
| (           |               |           |          |      |        |
| ADDENDUM) - |               |           |          |      |        |
| THE         |               |           |          |      |        |
| CORRECTIVE  |               |           |          |      |        |
| ACTIONS     |               |           |          |      |        |
| IMPLEMENTED |               |           |          |      |        |
| DO NOT      |               |           |          |      |        |
|             |               |           |          |      |        |
| CONSTITUTE  |               |           |          |      |        |
| A PROCESS   |               |           |          |      |        |
| CHANGE, BUT |               |           |          |      |        |
| RATHER A    |               |           |          |      |        |
| DO          |               |           |          |      |        |
| CUMENTATION |               |           |          |      |        |
| ENHANCEMENT |               |           |          |      |        |
|             |               |           |          |      |        |
| MPP\'S      |               |           |          |      |        |
| 8091        |               |           |          |      |        |
| 4005940-XXX |               |           |          |      |        |
| FOR LWT-37  |               |           |          |      |        |
| AND SUBS    |               |           |          |      |        |
| HAVE BEEN   |               |           |          |      |        |
| UPDATED TO  |               |           |          |      |        |
| INCLUDE     |               |           |          |      |        |
|             |               |           |          |      |        |
| A DETAILED  |               |           |          |      |        |
| MAP OF ALL  |               |           |          |      |        |
| STAINS AND  |               |           |          |      |        |
| INCREMENTAL |               |           |          |      |        |
| BUY-OFFS    |               |           |          |      |        |
| FOR         |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| THE         |               |           |          |      |        |
|             |               |           |          |      |        |
| STAINS.     |               |           |          |      |        |
| THESE       |               |           |          |      |        |
| CORRECTIVE  |               |           |          |      |        |
| ACTIONS     |               |           |          |      |        |
| WERE        |               |           |          |      |        |
| VERIFIED BY |               |           |          |      |        |
| THE CAPS    |               |           |          |      |        |
| TEAM,       |               |           |          |      |        |
|             |               |           |          |      |        |
| INCLUDING   |               |           |          |      |        |
| DCAS, IN    |               |           |          |      |        |
| CELL \"P\"  |               |           |          |      |        |
| ON LH2      |               |           |          |      |        |
| TANK,       |               |           |          |      |        |
| LWT-37,     |               |           |          |      |        |
| (REF MEMO   |               |           |          |      |        |
| 3741-86-076 |               |           |          |      |        |
|             |               |           |          |      |        |
| FROM F.     |               |           |          |      |        |
| RAMSEY,     |               |           |          |      |        |
| SUPERVISOR, |               |           |          |      |        |
| RELIABILITY |               |           |          |      |        |
| AS          |               |           |          |      |        |
| SURANCE/MMC |               |           |          |      |        |
| TO GEORGE   |               |           |          |      |        |
|             |               |           |          |      |        |
| MILLER      |               |           |          |      |        |
| /MSFC-PAS). |               |           |          |      |        |
| 7/31/86 -   |               |           |          |      |        |
| CLOSURE     |               |           |          |      |        |
| CONSIDERED  |               |           |          |      |        |
| INADEQUATE  |               |           |          |      |        |
| BY ET       |               |           |          |      |        |
| PROJECT     |               |           |          |      |        |
|             |               |           |          |      |        |
| CHIEF       |               |           |          |      |        |
| ENGINEER,   |               |           |          |      |        |
| J. J.       |               |           |          |      |        |
| NICHOLS,    |               |           |          |      |        |
| AND WAS     |               |           |          |      |        |
| REJECTED    |               |           |          |      |        |
| PER         |               |           |          |      |        |
| NON         |               |           |          |      |        |
| CONCURRENCE |               |           |          |      |        |
|             |               |           |          |      |        |
| LETTER      |               |           |          |      |        |
| EG21-PAS    |               |           |          |      |        |
| (NC)-86-08. |               |           |          |      |        |
| 9/15/86     |               |           |          |      |        |
| RESOLUTION  |               |           |          |      |        |
| (           |               |           |          |      |        |
| ADDENDUM) - |               |           |          |      |        |
| RESPONSE TO |               |           |          |      |        |
|             |               |           |          |      |        |
| NON         |               |           |          |      |        |
| CONFORMANCE |               |           |          |      |        |
| LETTER      |               |           |          |      |        |
| EG21-PA     |               |           |          |      |        |
| S(NC)-86-08 |               |           |          |      |        |
| REAFFIRMS   |               |           |          |      |        |
| THE CAUSE   |               |           |          |      |        |
| OF LOW      |               |           |          |      |        |
|             |               |           |          |      |        |
| PRIMER      |               |           |          |      |        |
| ADHESION AS |               |           |          |      |        |
| BEING       |               |           |          |      |        |
| IMPROPERLY  |               |           |          |      |        |
| CLEANED     |               |           |          |      |        |
| STAINS.     |               |           |          |      |        |
| SOURCE OF   |               |           |          |      |        |
| THE         |               |           |          |      |        |
|             |               |           |          |      |        |
| STAINS WAS  |               |           |          |      |        |
| DRIPS FROM  |               |           |          |      |        |
| ENTRAPPED   |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| SOLUTION. A |               |           |          |      |        |
| REVIEW OF   |               |           |          |      |        |
| CELL \"P\"  |               |           |          |      |        |
|             |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| OPERATION   |               |           |          |      |        |
| WAS         |               |           |          |      |        |
| CONDUCTED   |               |           |          |      |        |
| (REF MEMO   |               |           |          |      |        |
| 3           |               |           |          |      |        |
| 614-86-012) |               |           |          |      |        |
| TO IDENTIFY |               |           |          |      |        |
|             |               |           |          |      |        |
| ENTRAPMENT  |               |           |          |      |        |
| AREAS WHICH |               |           |          |      |        |
| COULD CAUSE |               |           |          |      |        |
| STAINS ON   |               |           |          |      |        |
| THE LH2     |               |           |          |      |        |
| TANK AFTER  |               |           |          |      |        |
| FINAL       |               |           |          |      |        |
|             |               |           |          |      |        |
| RISE AND    |               |           |          |      |        |
| DRY         |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| OPERATIONS. |               |           |          |      |        |
| THOSE AREAS |               |           |          |      |        |
| IDENTIFIED  |               |           |          |      |        |
| AS STAIN    |               |           |          |      |        |
|             |               |           |          |      |        |
| CO          |               |           |          |      |        |
| NTRIBUTORS, |               |           |          |      |        |
| AND THE     |               |           |          |      |        |
| CORRECTIVE  |               |           |          |      |        |
| ACTION      |               |           |          |      |        |
| TAKEN, ARE  |               |           |          |      |        |
| LISTED      |               |           |          |      |        |
| BELOW       |               |           |          |      |        |
|             |               |           |          |      |        |
| ENTRAPMENT  |               |           |          |      |        |
| PROBLEM     |               |           |          |      |        |
| AREAS       |               |           |          |      |        |
| CORRECTIVE  |               |           |          |      |        |
| ACTION 1.   |               |           |          |      |        |
| UNUSED      |               |           |          |      |        |
| BLIND, THRU |               |           |          |      |        |
| AND         |               |           |          |      |        |
|             |               |           |          |      |        |
| THREADED    |               |           |          |      |        |
| FASTNER ALL |               |           |          |      |        |
| HOLES TO BE |               |           |          |      |        |
| PLUGGED     |               |           |          |      |        |
| WITH EPOXY  |               |           |          |      |        |
| FILLER      |               |           |          |      |        |
| HOLES IN    |               |           |          |      |        |
|             |               |           |          |      |        |
| ROLL RINGS. |               |           |          |      |        |
| MATERIAL.   |               |           |          |      |        |
| 2.          |               |           |          |      |        |
| BLANK-OFF   |               |           |          |      |        |
| PLATE 17\", |               |           |          |      |        |
| AND LH2     |               |           |          |      |        |
| OUTLET      |               |           |          |      |        |
|             |               |           |          |      |        |
| (T26K2038). |               |           |          |      |        |
| TOOLING     |               |           |          |      |        |
| BLANK-OFF   |               |           |          |      |        |
| PLATE       |               |           |          |      |        |
| REDESIGNED  |               |           |          |      |        |
| TO ADCOAT   |               |           |          |      |        |
| MASKING     |               |           |          |      |        |
|             |               |           |          |      |        |
| MATERIAL    |               |           |          |      |        |
| USED TO     |               |           |          |      |        |
| PROTECT     |               |           |          |      |        |
| ELIMINATE   |               |           |          |      |        |
| ALL         |               |           |          |      |        |
| MASKING.    |               |           |          |      |        |
| FIRST USE   |               |           |          |      |        |
| LWT-34      |               |           |          |      |        |
|             |               |           |          |      |        |
| FASTENERS   |               |           |          |      |        |
| AND SEALS   |               |           |          |      |        |
| MATING      |               |           |          |      |        |
| SURFACE,    |               |           |          |      |        |
| SEPARATES   |               |           |          |      |        |
| FROM        |               |           |          |      |        |
| SUBSTRATE   |               |           |          |      |        |
| AND         |               |           |          |      |        |
|             |               |           |          |      |        |
| CREATES     |               |           |          |      |        |
| ENTRAPMENT  |               |           |          |      |        |
| AREA AROUND |               |           |          |      |        |
| THE PLATE   |               |           |          |      |        |
| ALLOWING    |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| SOLUTION TO |               |           |          |      |        |
|             |               |           |          |      |        |
| ACCUMULATE  |               |           |          |      |        |
| INSIDE      |               |           |          |      |        |
| MASKANT     |               |           |          |      |        |
| THEN        |               |           |          |      |        |
| RELEASING   |               |           |          |      |        |
| ONTO TANK   |               |           |          |      |        |
| DURING DRY  |               |           |          |      |        |
| CYCLE. 3    |               |           |          |      |        |
|             |               |           |          |      |        |
| ROLL RING,  |               |           |          |      |        |
| AND LH2     |               |           |          |      |        |
| TANK        |               |           |          |      |        |
| INTERFACE   |               |           |          |      |        |
| (TEFLON     |               |           |          |      |        |
| SEAL). NEW  |               |           |          |      |        |
| STAINLESS   |               |           |          |      |        |
| STEEL       |               |           |          |      |        |
|             |               |           |          |      |        |
| ROLL RINGS  |               |           |          |      |        |
| ARE BEI     |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| SOLUTIONS   |               |           |          |      |        |
| BECOME      |               |           |          |      |        |
| ENTRAPPED   |               |           |          |      |        |
| BETWEEN     |               |           |          |      |        |
|             |               |           |          |      |        |
| DESIGNED.   |               |           |          |      |        |
| THE         |               |           |          |      |        |
| INTERFACE   |               |           |          |      |        |
| AREA IS     |               |           |          |      |        |
| BEING TANK  |               |           |          |      |        |
| AND TOOL    |               |           |          |      |        |
| TEFLON SEAL |               |           |          |      |        |
|             |               |           |          |      |        |
| INTERFACE.  |               |           |          |      |        |
| ADDRESSED   |               |           |          |      |        |
| TO REDUCE   |               |           |          |      |        |
| OR          |               |           |          |      |        |
| ELIMINATE   |               |           |          |      |        |
| ENTRAP-     |               |           |          |      |        |
| MENT AREAS. |               |           |          |      |        |
| ROLL        |               |           |          |      |        |
|             |               |           |          |      |        |
| RINGS NOW   |               |           |          |      |        |
| HAVE        |               |           |          |      |        |
| INDIVIDUAL  |               |           |          |      |        |
| RINSE       |               |           |          |      |        |
| NOZZLE      |               |           |          |      |        |
| DIRECTED TO |               |           |          |      |        |
| RINSE       |               |           |          |      |        |
| ENTRAPMENT  |               |           |          |      |        |
|             |               |           |          |      |        |
| AREAS, BUT  |               |           |          |      |        |
| ARE NOT     |               |           |          |      |        |
| 100%        |               |           |          |      |        |
| EFFECTIVE.  |               |           |          |      |        |
| 4.          |               |           |          |      |        |
| STAINLESS   |               |           |          |      |        |
| STEEL       |               |           |          |      |        |
| CEILING     |               |           |          |      |        |
| SEAM        |               |           |          |      |        |
|             |               |           |          |      |        |
| AREAS.      |               |           |          |      |        |
| INSPECTION  |               |           |          |      |        |
| OF SEAM     |               |           |          |      |        |
| AREAS IS    |               |           |          |      |        |
| CONDUCTED   |               |           |          |      |        |
| BY RESIDUAL |               |           |          |      |        |
| CHEMICALS   |               |           |          |      |        |
|             |               |           |          |      |        |
| ENTRAP IN   |               |           |          |      |        |
| CEILING     |               |           |          |      |        |
| PANEL       |               |           |          |      |        |
| FACILITIES  |               |           |          |      |        |
| EVERY (6)   |               |           |          |      |        |
| MONTHS OR   |               |           |          |      |        |
| MORE OFTEN  |               |           |          |      |        |
| SEAM        |               |           |          |      |        |
|             |               |           |          |      |        |
| AREAS       |               |           |          |      |        |
| DURING      |               |           |          |      |        |
| CLEAN CYCLE |               |           |          |      |        |
| WHICH       |               |           |          |      |        |
| CREATE IF A |               |           |          |      |        |
| SPECIFIC    |               |           |          |      |        |
| FAILURE     |               |           |          |      |        |
| OCCURS      |               |           |          |      |        |
|             |               |           |          |      |        |
| REPAIRS ARE |               |           |          |      |        |
| C           |               |           |          |      |        |
| ONTAMINATED |               |           |          |      |        |
| WATER DRIPS |               |           |          |      |        |
| ON TANK     |               |           |          |      |        |
| DURING MADE |               |           |          |      |        |
| AS REQUIRED |               |           |          |      |        |
|             |               |           |          |      |        |
| DRY CYCLE.  |               |           |          |      |        |
| ALL SEAMS   |               |           |          |      |        |
| ARE CAULKED |               |           |          |      |        |
| BUT         |               |           |          |      |        |
| FAILURES    |               |           |          |      |        |
| OCCUR WHEN  |               |           |          |      |        |
| CAULKING IS |               |           |          |      |        |
|             |               |           |          |      |        |
| DISTURBED   |               |           |          |      |        |
| BY HIGH     |               |           |          |      |        |
| PRESSURE    |               |           |          |      |        |
| HOSE RISE   |               |           |          |      |        |
| ON CEILING. |               |           |          |      |        |
| SEE ITEM    |               |           |          |      |        |
| (5). 5.     |               |           |          |      |        |
| DRIPS       |               |           |          |      |        |
|             |               |           |          |      |        |
| FROM        |               |           |          |      |        |
| ACCUMULATED |               |           |          |      |        |
| CHEMICAL    |               |           |          |      |        |
| C           |               |           |          |      |        |
| ONTAMINATED |               |           |          |      |        |
| NEW         |               |           |          |      |        |
| AUTOMATIC   |               |           |          |      |        |
| CEILING     |               |           |          |      |        |
| RINSE       |               |           |          |      |        |
|             |               |           |          |      |        |
| SYSTEM TO   |               |           |          |      |        |
| BE WATER    |               |           |          |      |        |
| DROPLETS ON |               |           |          |      |        |
| SURFACE OF  |               |           |          |      |        |
| STAINLESS   |               |           |          |      |        |
| STEEL       |               |           |          |      |        |
| INSTALLED   |               |           |          |      |        |
| TO          |               |           |          |      |        |
|             |               |           |          |      |        |
| PROVIDE     |               |           |          |      |        |
| COMPLETE    |               |           |          |      |        |
| CEILING     |               |           |          |      |        |
| CEILING,    |               |           |          |      |        |
| CREATED     |               |           |          |      |        |
| DURING      |               |           |          |      |        |
| CLEAN       |               |           |          |      |        |
| CYCLE.      |               |           |          |      |        |
| CEILING     |               |           |          |      |        |
|             |               |           |          |      |        |
| RINSE       |               |           |          |      |        |
| COVERAGE    |               |           |          |      |        |
| OVER THE    |               |           |          |      |        |
| TANK.       |               |           |          |      |        |
| SCHEDULED   |               |           |          |      |        |
| IS MANUALLY |               |           |          |      |        |
| RINSED WITH |               |           |          |      |        |
| HIGH        |               |           |          |      |        |
|             |               |           |          |      |        |
| PRESSURE    |               |           |          |      |        |
| HOSE START  |               |           |          |      |        |
| DATE IS     |               |           |          |      |        |
| 2/15/86.    |               |           |          |      |        |
| LESS HARSH  |               |           |          |      |        |
| TO REMOVE   |               |           |          |      |        |
| SURFACE     |               |           |          |      |        |
|             |               |           |          |      |        |
| CON         |               |           |          |      |        |
| TAMINATION. |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| PRESSURES   |               |           |          |      |        |
| DURING      |               |           |          |      |        |
| CEILING     |               |           |          |      |        |
| RINSE WILL  |               |           |          |      |        |
| REDUCE      |               |           |          |      |        |
|             |               |           |          |      |        |
| OCCURRENCE  |               |           |          |      |        |
| OF CAULKING |               |           |          |      |        |
| REMOVAL IN  |               |           |          |      |        |
| CEILING     |               |           |          |      |        |
| SEAM AREAS  |               |           |          |      |        |
| IDENTIFIED  |               |           |          |      |        |
| IN ITEM     |               |           |          |      |        |
|             |               |           |          |      |        |
| (4). 6.     |               |           |          |      |        |
| ADCOAT      |               |           |          |      |        |
| MASKING ON  |               |           |          |      |        |
| MANHOLE     |               |           |          |      |        |
| COVER       |               |           |          |      |        |
| PLATES,     |               |           |          |      |        |
| FLEXIBLE    |               |           |          |      |        |
| PLASTIC     |               |           |          |      |        |
| COVERS      |               |           |          |      |        |
|             |               |           |          |      |        |
| WERE        |               |           |          |      |        |
| DESIGNED TO |               |           |          |      |        |
| ELECTRICAL  |               |           |          |      |        |
| F           |               |           |          |      |        |
| EED-THROUGH |               |           |          |      |        |
| COVER       |               |           |          |      |        |
| PLATES, AND |               |           |          |      |        |
| PROTECT     |               |           |          |      |        |
|             |               |           |          |      |        |
| FASTENERS.  |               |           |          |      |        |
| GASKET      |               |           |          |      |        |
| MATERIALS   |               |           |          |      |        |
| ON          |               |           |          |      |        |
| BLANK-OFF   |               |           |          |      |        |
| PLATES, AND |               |           |          |      |        |
| LH2 VENT TO |               |           |          |      |        |
|             |               |           |          |      |        |
| PROTECT     |               |           |          |      |        |
| COVER       |               |           |          |      |        |
| PLATES WAS  |               |           |          |      |        |
| CHANGED TO  |               |           |          |      |        |
| VITON.      |               |           |          |      |        |
| FASTENERS   |               |           |          |      |        |
| AND SEALING |               |           |          |      |        |
|             |               |           |          |      |        |
| SURFACES.   |               |           |          |      |        |
| LEAKS OCCUR |               |           |          |      |        |
| FROM ADCOAT |               |           |          |      |        |
| FAILURE     |               |           |          |      |        |
| DURING      |               |           |          |      |        |
| CLEAN       |               |           |          |      |        |
| CYCLE. 7.   |               |           |          |      |        |
| DRIPS       |               |           |          |      |        |
|             |               |           |          |      |        |
| FROM        |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| SPRAY BOOM  |               |           |          |      |        |
| HIT TOOLING |               |           |          |      |        |
| AUTOMATIC   |               |           |          |      |        |
| DRAIN       |               |           |          |      |        |
| SYSTEM      |               |           |          |      |        |
| INSTALLED   |               |           |          |      |        |
|             |               |           |          |      |        |
| TO REMOVE   |               |           |          |      |        |
| PLATFORM    |               |           |          |      |        |
| CREATING    |               |           |          |      |        |
| SPLASH ON   |               |           |          |      |        |
| CLEAN TANK  |               |           |          |      |        |
| RESIDUAL    |               |           |          |      |        |
| WATER LEFT  |               |           |          |      |        |
| IN          |               |           |          |      |        |
|             |               |           |          |      |        |
| SPRAY BOOM  |               |           |          |      |        |
| AFTER       |               |           |          |      |        |
| SURFACE.    |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| CYCLE. TANK |               |           |          |      |        |
| II OF CAPS  |               |           |          |      |        |
| T-050       |               |           |          |      |        |
|             |               |           |          |      |        |
| DIRECTED    |               |           |          |      |        |
| ENGINEERING |               |           |          |      |        |
| (MATERIAL,  |               |           |          |      |        |
| MAN         |               |           |          |      |        |
| UFACTURING, |               |           |          |      |        |
| QUALITY,    |               |           |          |      |        |
| AND AMT) TO |               |           |          |      |        |
|             |               |           |          |      |        |
| REVIEW THE  |               |           |          |      |        |
| PRESENT     |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| METHOD,     |               |           |          |      |        |
| WHICH WAS   |               |           |          |      |        |
| DONE, AND   |               |           |          |      |        |
| THE         |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
|             |               |           |          |      |        |
| METHOD WAS  |               |           |          |      |        |
| DETERMINED  |               |           |          |      |        |
| TO BE       |               |           |          |      |        |
| ADEQUATE IF |               |           |          |      |        |
| PERFORMED   |               |           |          |      |        |
| CORRECTLY.  |               |           |          |      |        |
| IT WAS,     |               |           |          |      |        |
|             |               |           |          |      |        |
| THEREFORE,  |               |           |          |      |        |
| CONCLUDED   |               |           |          |      |        |
| THAT THE    |               |           |          |      |        |
| CAUSE FOR   |               |           |          |      |        |
| LOW PRIMER  |               |           |          |      |        |
| ADHESION    |               |           |          |      |        |
| WAS A       |               |           |          |      |        |
|             |               |           |          |      |        |
| RESULT OF   |               |           |          |      |        |
| EMPLOYEE    |               |           |          |      |        |
| ERROR, AND  |               |           |          |      |        |
| NOT A       |               |           |          |      |        |
| SUBSTANDARD |               |           |          |      |        |
| CLEANING    |               |           |          |      |        |
| METHOD      |               |           |          |      |        |
|             |               |           |          |      |        |
| HOWEVER, TO |               |           |          |      |        |
| HELP        |               |           |          |      |        |
| PRECLUDE    |               |           |          |      |        |
| THESE       |               |           |          |      |        |
| EMPLOYEE    |               |           |          |      |        |
| ERRORS,     |               |           |          |      |        |
| INCREMENTAL |               |           |          |      |        |
| QC BUY-OFF  |               |           |          |      |        |
|             |               |           |          |      |        |
| STEPS WERE  |               |           |          |      |        |
| ADDED TO    |               |           |          |      |        |
| ENHANCE THE |               |           |          |      |        |
| MPP\'S,     |               |           |          |      |        |
| ALONG WITH  |               |           |          |      |        |
| MAPS FOR    |               |           |          |      |        |
| TRACKING    |               |           |          |      |        |
| THE         |               |           |          |      |        |
|             |               |           |          |      |        |
| REMAINING   |               |           |          |      |        |
| STAINS.     |               |           |          |      |        |
| RECOMMEND   |               |           |          |      |        |
| THIS        |               |           |          |      |        |
| PROBLEM     |               |           |          |      |        |
| REPORT BE   |               |           |          |      |        |
| CLOSED      |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+
| **MSFC      |               |           |          |      |        |
| Response/Co |               |           |          |      |        |
| ncurrence** |               |           |          |      |        |
+-------------+---------------+-----------+----------+------+--------+

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

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

  -------------- -------------------- -------------------- ------------ ----------- ------------
  **MSFC         **IFA#**\            **Contractor RPT#**\ **JSC#**\    **KSC#**\   **EICN#**\
  Report#**\     \--                  T-050                \--          \--         \--
  A09682                                                                            

  **Asmnt        **Asmnt Part Name**\ **Asmnt                                       
  Part#**\       LH2 TANK BARREL SOFI Serial/Lot#**\                                
  80974018409                         L2T-26                                        

  **HCRIT CD**\  **FCRIT CD**\        **CAUSE CD**\        **FAIL                   
  \--            1                    MAW - MFG-ASY-WORK   MODE**\                  
                                                           MI -                     
                                                           INSULATION               

  **Asmnt        **Asmnt FM**\        **FMEA CSE**\        **FMEA                   
  FMEA**\        1                    B                    SCSE**\                  
  5.2.2.1                                                  8                        

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

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

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

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

  **MAJOR DESIGN                                                                    
  CHANGES**                                                                         

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

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