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

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

+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **In-Flight   | **C       | **      | *    |        |
| Record \#**\ | Anomaly       | ontractor | JSC#**\ | *KSC |        |
| A12995       | Number**\     | Report    | \--     | #**\ |        |
|              | \--           | Number**\ |         | \--  |        |
|              |               | E-135     |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| TUMBLE VALVE |               |           |         |      |        |
| SWITCH       |               |           |         |      |        |
| MODULE       |               |           |         |      |        |
| FAILED TO    |               |           |         |      |        |
| ARM          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Cont    | **F     | **   |        |
| \--          | ET            | ractor**\ | SCM#**\ | FCRI |        |
|              |               | MMMSS     | \--     | T**\ |        |
|              |               |           |         | 1    |        |
+--------------+---------------+-----------+---------+------+--------+
| **HCRIT**\   | **Sys_Lvl**\  | **Misc    |         |      |        |
| \--          | \--           | Codes**\  |         |      |        |
|              |               | A B C D E |         |      |        |
|              |               | F G H I J |         |      |        |
|              |               | K L M N O |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| EIM          | \--           | \--       | \--     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| LRU          | \--           | \--       | \--     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| NCA          | SWITCH MODULE | 809330    | 1489    | UFAC |        |
|              |               | 03704-239 |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | MAF  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Test/      | **Prevailing  | **F /     | **Fail  | **   |        |
| Operation**\ | Condtion**\   | U**\      | Mode**\ | Caus |        |
| A - ATP      | F -           | F         | EAN -   | e**\ |        |
|              | FUNCTIONAL    |           | OUTPUT  | UF - |        |
|              |               |           | LOSS    | U    |        |
|              |               |           |         | A-FL |        |
|              |               |           |         | IGHT |        |
+--------------+---------------+-----------+---------+------+--------+
| **System**\  | **Defect**\   | **Ma      | **Work  | **   |        |
| ELECTRICAL   | \--           | terial**\ | Con     | Fail |        |
|              |               | C - EEE   | tact**\ | Dat  |        |
|              |               |           | L.      | e**\ |        |
|              |               |           | COLON   | 07   |        |
|              |               |           |         | /02/ |        |
|              |               |           |         | 1990 |        |
+--------------+---------------+-----------+---------+------+--------+
| **Received   | **Date        | **FMEA    | **IFA:  | *    |        |
| at MSFC**\   | Isolated**\   | Ref       | Mission | *Mis |        |
| 07/09/1990   | 07/05/1990    | erence**\ | P       | sion |        |
|              |               | 3.5.1.2   | hase**\ | Ela  |        |
|              |               |           | \--     | psed |        |
|              |               |           |         | Tim  |        |
|              |               |           |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               | **S       |         | **   |        |
| *Location**\ |               | ymptom**\ |         | Time |        |
| MAF          |               | EA -      |         | Cycl |        |
|              |               | FAILS OFF |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               |           |         |      |        |
| *Effectivity |               |           |         |      |        |
| Text**\      |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Vehicle    |               |           |         |      |        |
| Effectivity  |               |           |         |      |        |
| Codes**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Vehicle    | **Vehicle     | **Vehicle | **      | *    |        |
| 1**\         | 2**\          | 3**\      | Vehicle | *Veh |        |
| \--          | \--           | \--       | 4**\    | icle |        |
|              |               |           | \--     | 5**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Mission    |               |           |         |      |        |
| Effectivity  |               |           |         |      |        |
| Codes**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Mssn 1**\  | **Mssn 2**\   | **Mssn    | **Mssn  | **   |        |
| \--          | \--           | 3**\      | 4**\    | Mssn |        |
|              |               | \--       | \--     | 5**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Estimated  |               |           |         |      |        |
| Completion   |               |           |         |      |        |
| Dates**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **Contractor  | **LVL 3   | *       |      |        |
| Approved     | Req Defer     | Close**\  | *Remark |      |        |
| Defer Until  | Until Date**\ | \--       | /       |      |        |
| Date**\      | \--           |           | Ac      |      |        |
| \--          |               |           | tion**\ |      |        |
|              |               |           | \--     |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **I          |               |           |         |      |        |
| nvestigation |               |           |         |      |        |
| / Resolution |               |           |         |      |        |
| Summary**    |               |           |         |      |        |
|              |               |           |         |      |        |
| THE CAUSE OF |               |           |         |      |        |
| THE FAILURE  |               |           |         |      |        |
| COULD NOT BE |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Last MSFC  | **CN RSLV     | **Defer   | **Add   | *    |        |
| Update**\    | SBMT**\       | Date**\   | Date**\ | *R/C |        |
| 12/02/1991   | 07/31/1990    | \--       | 07/     | Code |        |
|              |               |           | 11/1990 | s**\ |        |
|              |               |           |         | 0 -  |        |
|              |               |           |         | EXPL |        |
|              |               |           |         | \--  |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Assignee** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| A. JACKMAN   | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | M. PESSIN     | R.        | \--     | ject |        |
|              |               | JACKSON   |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | G.   |        |
|              |               |           |         | LA   |        |
|              |               |           |         | DNER |        |
+--------------+---------------+-----------+---------+------+--------+
| **Approval** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| J. MCEUEN    | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | M. PESSIN     | R.        | \--     | ject |        |
|              |               | JACKSON   |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | G.   |        |
|              |               |           |         | LA   |        |
|              |               |           |         | DNER |        |
+--------------+---------------+-----------+---------+------+--------+
| **PAC        | **PAC Review  | **MSFC    | **St    | *    |        |
| Assignee**\  | Complete**\   | Closure   | atus**\ | *F/A |        |
| T. HESTER    | TBH           | Date**\   | C -     | C    |        |
|              |               | 0         | CLOSED  | ompl |        |
|              |               | 8/16/1990 |         | etio |        |
|              |               |           |         | n**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    | **SEV**\      | **Program | **      | **O  |        |
| Type**\      | \--           | Name**\   | REVL**\ | PRIN |        |
| \--          |               | \--       | \--     | C**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **FUNC       | **Software    | *         |         | **SU | **So   |
| MOD**\       | E             | *Software |         | BTYP | ftware |
| \--          | ffectivity**\ | Fail      |         | E**\ | C      |
|              | \-- \-- \--   | CD**\     |         | \--  | losure |
|              | \-- \--       | \--       |         |      | CD**\  |
|              |               |           |         |      | \--    |
+--------------+---------------+-----------+---------+------+--------+
| **RES PERSON | **Approval    |           |         |      |        |
| L2**\        | Signature     |           |         |      |        |
| \--          | L3**\         |           |         |      |        |
|              | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| Status       |               |           |         |      |        |
| Summary**    |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSED       |               |           |         |      |        |
| EXPLAINED    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Reliabi    |               |           |         |      |        |
| lity/Quality |               |           |         |      |        |
| Assurance    |               |           |         |      |        |
| Concerns,    |               |           |         |      |        |
| Recomm       |               |           |         |      |        |
| endations:** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| D            |               |           |         |      |        |
| escription** |               |           |         |      |        |
|              |               |           |         |      |        |
| THE SWITCH   |               |           |         |      |        |
| MODULE       |               |           |         |      |        |
| FAILED TO    |               |           |         |      |        |
| \"ARM\"      |               |           |         |      |        |
| DURING       |               |           |         |      |        |
| TESTING IN   |               |           |         |      |        |
| THE MAF      |               |           |         |      |        |
| HARNESS      |               |           |         |      |        |
|              |               |           |         |      |        |
| FABRICATION  |               |           |         |      |        |
| SHOP. TEST   |               |           |         |      |        |
| PROCEDURE    |               |           |         |      |        |
| 809          |               |           |         |      |        |
| 33003704-239 |               |           |         |      |        |
| CHECKS       |               |           |         |      |        |
| ELECTRICAL   |               |           |         |      |        |
|              |               |           |         |      |        |
| FUNCTION OF  |               |           |         |      |        |
| THE MODULE   |               |           |         |      |        |
| FOLLOWING    |               |           |         |      |        |
| INSTALLATION |               |           |         |      |        |
| OF TWO       |               |           |         |      |        |
| ELECTRICAL   |               |           |         |      |        |
|              |               |           |         |      |        |
| CONNECTORS   |               |           |         |      |        |
| ON THE WIRE  |               |           |         |      |        |
| LEADS OF THE |               |           |         |      |        |
| MODULE       |               |           |         |      |        |
|              |               |           |         |      |        |
| CRITICALITY: |               |           |         |      |        |
| THE SWITCH   |               |           |         |      |        |
| MODULE IS    |               |           |         |      |        |
| CRIT. 1;     |               |           |         |      |        |
| FMEA ITEM    |               |           |         |      |        |
| CODE         |               |           |         |      |        |
| 3.5.1.2;     |               |           |         |      |        |
|              |               |           |         |      |        |
| \"FAILS TO   |               |           |         |      |        |
| ARM\"        |               |           |         |      |        |
|              |               |           |         |      |        |
| NOTE: THE    |               |           |         |      |        |
| SWITCH       |               |           |         |      |        |
| MODULE IS    |               |           |         |      |        |
| LIMITED LIFE |               |           |         |      |        |
| CONTROLLED   |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| In           |               |           |         |      |        |
| vestigation/ |               |           |         |      |        |
| Resolution** |               |           |         |      |        |
|              |               |           |         |      |        |
| THE SWITCH   |               |           |         |      |        |
| MODULE IS    |               |           |         |      |        |
| PART OF THE  |               |           |         |      |        |
| ELECTRICAL   |               |           |         |      |        |
| SYSTEM THAT  |               |           |         |      |        |
| CONTROLS THE |               |           |         |      |        |
|              |               |           |         |      |        |
| FIRING OF    |               |           |         |      |        |
| THE TUMBLE   |               |           |         |      |        |
| VALVE ON THE |               |           |         |      |        |
| ET. THE      |               |           |         |      |        |
| MODULE IS    |               |           |         |      |        |
| CONVERTED TO |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| 809 SERIES   |               |           |         |      |        |
| PART NUMBER  |               |           |         |      |        |
| BY THE       |               |           |         |      |        |
| INSTALLATION |               |           |         |      |        |
| OF TWO       |               |           |         |      |        |
| ELECTRICAL   |               |           |         |      |        |
| CONNECTORS   |               |           |         |      |        |
|              |               |           |         |      |        |
| ONTO THE     |               |           |         |      |        |
| WIRE LEADS   |               |           |         |      |        |
| OF THE PD    |               |           |         |      |        |
| PART. THE    |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| OCCURRED     |               |           |         |      |        |
| DURING       |               |           |         |      |        |
|              |               |           |         |      |        |
| IN-PROCESS   |               |           |         |      |        |
| TESTING THAT |               |           |         |      |        |
| VERIFIES     |               |           |         |      |        |
| PROPER       |               |           |         |      |        |
| INSTALLATION |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| CONNECTORS   |               |           |         |      |        |
|              |               |           |         |      |        |
| THE FAILURE  |               |           |         |      |        |
| INDICATION   |               |           |         |      |        |
| WAS THE      |               |           |         |      |        |
| INTERNAL     |               |           |         |      |        |
| RELAY OF THE |               |           |         |      |        |
| MODULE DID   |               |           |         |      |        |
| NOT          |               |           |         |      |        |
|              |               |           |         |      |        |
| ACTUATE UPON |               |           |         |      |        |
| APPLICATION  |               |           |         |      |        |
| OF POWER TO  |               |           |         |      |        |
| THE COIL. IN |               |           |         |      |        |
| SERVICE ON   |               |           |         |      |        |
| AN ET        |               |           |         |      |        |
|              |               |           |         |      |        |
| THE FAILURE  |               |           |         |      |        |
| WOULD HAVE   |               |           |         |      |        |
| PREVENTED    |               |           |         |      |        |
| THE \"FIRE\" |               |           |         |      |        |
| SIGNAL FROM  |               |           |         |      |        |
| REACHING THE |               |           |         |      |        |
|              |               |           |         |      |        |
| TUMBLE VALVE |               |           |         |      |        |
| EXPLOSIVE    |               |           |         |      |        |
| INITIATOR    |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK I       |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| IN           |               |           |         |      |        |
| VESTIGATION: |               |           |         |      |        |
| A FAILURE    |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
| WILL BE      |               |           |         |      |        |
| PERFORMED ON |               |           |         |      |        |
|              |               |           |         |      |        |
| THE SWITCH   |               |           |         |      |        |
| MODULE       |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| J.           |               |           |         |      |        |
| ADAMS/3741 - |               |           |         |      |        |
| E.           |               |           |         |      |        |
| HARTLEY/3740 |               |           |         |      |        |
|              |               |           |         |      |        |
| COMPLETED:   |               |           |         |      |        |
| 7/26/90      |               |           |         |      |        |
|              |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| STATEMENT:   |               |           |         |      |        |
|              |               |           |         |      |        |
| DESPITE      |               |           |         |      |        |
| DETAILED     |               |           |         |      |        |
| TESTING, IT  |               |           |         |      |        |
| WAS NOT      |               |           |         |      |        |
| POSSIBLE TO  |               |           |         |      |        |
| DETERMINE    |               |           |         |      |        |
| THE CAUSE OF |               |           |         |      |        |
|              |               |           |         |      |        |
| THE FAILURE. |               |           |         |      |        |
| THE ORIGINAL |               |           |         |      |        |
| FAILURE HAD  |               |           |         |      |        |
| OCCURRED     |               |           |         |      |        |
| UPON INITIAL |               |           |         |      |        |
| APPLICATION  |               |           |         |      |        |
|              |               |           |         |      |        |
| OF POWER TO  |               |           |         |      |        |
| THE MODULE   |               |           |         |      |        |
| FOLLOWING    |               |           |         |      |        |
| INSTALLATION |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| ELECTRICAL   |               |           |         |      |        |
|              |               |           |         |      |        |
| CONNECTORS   |               |           |         |      |        |
| ON THE WIRE  |               |           |         |      |        |
| HARNESS. THE |               |           |         |      |        |
| TEST HAD     |               |           |         |      |        |
| BEEN         |               |           |         |      |        |
| DISCONTINUED |               |           |         |      |        |
| DUE TO       |               |           |         |      |        |
|              |               |           |         |      |        |
| THE END OF   |               |           |         |      |        |
| THE SHIFT    |               |           |         |      |        |
| AND THE      |               |           |         |      |        |
| POWER HAD    |               |           |         |      |        |
| BEEN TURNED  |               |           |         |      |        |
| OFF. AT THE  |               |           |         |      |        |
| START OF     |               |           |         |      |        |
|              |               |           |         |      |        |
| THE NEXT     |               |           |         |      |        |
| WORK DAY,    |               |           |         |      |        |
| POWER WAS    |               |           |         |      |        |
| APPLIED AND  |               |           |         |      |        |
| THE RELAY    |               |           |         |      |        |
| IMMEDIATELY  |               |           |         |      |        |
| \"ARMED\"    |               |           |         |      |        |
|              |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
| INVOLVED     |               |           |         |      |        |
| ELECTRICAL   |               |           |         |      |        |
| TESTS OF     |               |           |         |      |        |
| CONTINUITY,  |               |           |         |      |        |
| INSULATION   |               |           |         |      |        |
|              |               |           |         |      |        |
| RESISTANCE,  |               |           |         |      |        |
| AND RELAY    |               |           |         |      |        |
| OPERATING    |               |           |         |      |        |
| VOLTAGES AS  |               |           |         |      |        |
| WELL AS      |               |           |         |      |        |
| DISASSEMBLY  |               |           |         |      |        |
| AND          |               |           |         |      |        |
|              |               |           |         |      |        |
| EXAMINATION  |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| COMPONENTS.  |               |           |         |      |        |
| NO DEFECT    |               |           |         |      |        |
| COULD BE     |               |           |         |      |        |
| FOUND.       |               |           |         |      |        |
| REFERENCE:   |               |           |         |      |        |
|              |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
| REPORT       |               |           |         |      |        |
| T-110192     |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK CLOSED  |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK II      |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTION       |               |           |         |      |        |
|              |               |           |         |      |        |
| NO           |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTION IS    |               |           |         |      |        |
| REQUIRED.    |               |           |         |      |        |
| THIS IS AN   |               |           |         |      |        |
| ISOLATED     |               |           |         |      |        |
| CASE. THERE  |               |           |         |      |        |
| ARE          |               |           |         |      |        |
|              |               |           |         |      |        |
| THREE        |               |           |         |      |        |
| SEPARATE     |               |           |         |      |        |
| SERIES OF    |               |           |         |      |        |
| TESTS        |               |           |         |      |        |
| PERFORMED ON |               |           |         |      |        |
| THE SWITCH   |               |           |         |      |        |
| MODULE AFTER |               |           |         |      |        |
|              |               |           |         |      |        |
| INSTALLATION |               |           |         |      |        |
| ON AN ET. AT |               |           |         |      |        |
| MAF THE TEST |               |           |         |      |        |
| REQUIREMENT  |               |           |         |      |        |
| IS           |               |           |         |      |        |
| MMC          |               |           |         |      |        |
| -ET-TM04K-B, |               |           |         |      |        |
|              |               |           |         |      |        |
| NO. 2.2.11   |               |           |         |      |        |
| AS CARRIED   |               |           |         |      |        |
| OUT BY TEST  |               |           |         |      |        |
| PROCEDURE    |               |           |         |      |        |
| 6            |               |           |         |      |        |
| C108/208-AT. |               |           |         |      |        |
| AT KSC TESTS |               |           |         |      |        |
|              |               |           |         |      |        |
| ARE REQUIRED |               |           |         |      |        |
| BY BOTH      |               |           |         |      |        |
| OMRSD FILE   |               |           |         |      |        |
| IV AND FILE  |               |           |         |      |        |
| II. THE FILE |               |           |         |      |        |
| IV           |               |           |         |      |        |
| REQUIREMENT  |               |           |         |      |        |
|              |               |           |         |      |        |
| IS NO.       |               |           |         |      |        |
| T75STA.850   |               |           |         |      |        |
| AS CARRIED   |               |           |         |      |        |
| OUT BY OMI   |               |           |         |      |        |
| NO. T1160,   |               |           |         |      |        |
| STEPS 05-043 |               |           |         |      |        |
| THROUGH      |               |           |         |      |        |
|              |               |           |         |      |        |
| 05-058. THE  |               |           |         |      |        |
| FILE II      |               |           |         |      |        |
| REQUIREMENT  |               |           |         |      |        |
| IS NO.       |               |           |         |      |        |
| S00000.135   |               |           |         |      |        |
| AS CARRIED   |               |           |         |      |        |
| OUT BY OMI   |               |           |         |      |        |
|              |               |           |         |      |        |
| T1160, STEPS |               |           |         |      |        |
| 15-000       |               |           |         |      |        |
| THROUGH      |               |           |         |      |        |
| 15-035. ALL  |               |           |         |      |        |
| THREE SETS   |               |           |         |      |        |
| OF TESTS     |               |           |         |      |        |
| CHECK        |               |           |         |      |        |
|              |               |           |         |      |        |
| OPERATION    |               |           |         |      |        |
| INCLUDING    |               |           |         |      |        |
| \"FIRING\"   |               |           |         |      |        |
| AN EXPLOSIVE |               |           |         |      |        |
| SQUID        |               |           |         |      |        |
| SIMULATOR    |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK CLOSED  |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK III     |               |           |         |      |        |
| CLEARANCE OF |               |           |         |      |        |
| EF           |               |           |         |      |        |
| FECTIVITIES: |               |           |         |      |        |
|              |               |           |         |      |        |
| ETS 35 AND   |               |           |         |      |        |
| 37 CLEARED.  |               |           |         |      |        |
| THE TUMBLE   |               |           |         |      |        |
| VALVE        |               |           |         |      |        |
| CIRCUITS     |               |           |         |      |        |
| HAVE BEEN    |               |           |         |      |        |
| DEACTIVATED  |               |           |         |      |        |
|              |               |           |         |      |        |
| ALL OTHER    |               |           |         |      |        |
| ETS CLEARED. |               |           |         |      |        |
| THIS FAILURE |               |           |         |      |        |
| WAS AN       |               |           |         |      |        |
| ISOLATED     |               |           |         |      |        |
| CASE. THERE  |               |           |         |      |        |
| ARE          |               |           |         |      |        |
|              |               |           |         |      |        |
| SUFFICIENT   |               |           |         |      |        |
| TESTS ON THE |               |           |         |      |        |
| COMPLETED    |               |           |         |      |        |
| ETS TO       |               |           |         |      |        |
| ASSURE       |               |           |         |      |        |
| PROPER       |               |           |         |      |        |
| OPERATION    |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK CLOSED  |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK IV CAPS |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
| SUMMARY      |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS IS AN   |               |           |         |      |        |
| EXPLAINED    |               |           |         |      |        |
| CLOSURE OF   |               |           |         |      |        |
| THE CAPS FOR |               |           |         |      |        |
| AN           |               |           |         |      |        |
| INTERMITTENT |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
|              |               |           |         |      |        |
| A TUMBLE     |               |           |         |      |        |
| VALVE SWITCH |               |           |         |      |        |
| MODULE       |               |           |         |      |        |
| FAILED TO    |               |           |         |      |        |
| \"ARM\"      |               |           |         |      |        |
| DURING AN    |               |           |         |      |        |
| IN-PROCESS   |               |           |         |      |        |
| TEST         |               |           |         |      |        |
|              |               |           |         |      |        |
| AT MAF. THE  |               |           |         |      |        |
| FAILURE DID  |               |           |         |      |        |
| NOT REPEAT.  |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| ANALYSIS WAS |               |           |         |      |        |
| UNSUCCESSFUL |               |           |         |      |        |
|              |               |           |         |      |        |
| IN           |               |           |         |      |        |
| DETERMINING  |               |           |         |      |        |
| THE CAUSE OF |               |           |         |      |        |
| THE FAILURE. |               |           |         |      |        |
| THERE ARE    |               |           |         |      |        |
| SUFFICIENT   |               |           |         |      |        |
| TESTS OF     |               |           |         |      |        |
|              |               |           |         |      |        |
| THE MODULE   |               |           |         |      |        |
| AFTER        |               |           |         |      |        |
| INSTALLATION |               |           |         |      |        |
| ON AN ET TO  |               |           |         |      |        |
| ASSURE       |               |           |         |      |        |
| OPERATION.   |               |           |         |      |        |
| THIS IS AN   |               |           |         |      |        |
|              |               |           |         |      |        |
| ISOLATED     |               |           |         |      |        |
| CASE         |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK CLOSED  |               |           |         |      |        |
|              |               |           |         |      |        |
| 8/20/90 PAC  |               |           |         |      |        |
| NOTE: CHIEF  |               |           |         |      |        |
| ENGINEERS    |               |           |         |      |        |
| OFFICE FEELS |               |           |         |      |        |
| THAT THIS IS |               |           |         |      |        |
| AN           |               |           |         |      |        |
|              |               |           |         |      |        |
| UNEXPLAINED  |               |           |         |      |        |
| CLOSURE      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       |               |           |         |      |        |
| Response/C   |               |           |         |      |        |
| oncurrence** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+

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

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

  ----------------- ------------------ ---------------- ----------- ----------- ------------
  **MSFC Report#**\ **IFA#**\          **Contractor     **JSC#**\   **KSC#**\   **EICN#**\
  A12995            \--                RPT#**\          \--         \--         \--
                                       E-135                                    

  **Asmnt Part#**\  **Asmnt Part       **Asmnt                                  
  80933003704-239   Name**\            Serial/Lot#**\                           
                    SWITCH MODULE      1489                                     

  **HCRIT CD**\     **FCRIT CD**\      **CAUSE CD**\    **FAIL                  
  \--               1                  UA - UNK-ONE     MODE**\                 
                                                        EA - FAILS              
                                                        OFF                     

  **Asmnt FMEA**\   **Asmnt FM**\      **FMEA CSE**\    **FMEA                  
  3.5.1.2           2                  A                SCSE**\                 
                                                        N/A                     

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

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

  **Correlated      **Correlated       **Correlated                             
  Part#**\          Part#**\           Part#**\                                 
  PD7100082-009     \--                \--                                      

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

  **MAJOR DESIGN                                                                
  CHANGES**                                                                     

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

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