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

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

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

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

+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **In-Flight   | **C       | **      | *    |        |
| Record \#**\ | Anomaly       | ontractor | JSC#**\ | *KSC |        |
| A15785       | Number**\     | Report    | \--     | #**\ |        |
|              | \--           | Number**\ |         | \--  |        |
|              |               | E-157     |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| FAILED ATP   |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Cont    | **F     | **   |        |
| \--          | ET            | ractor**\ | SCM#**\ | FCRI |        |
|              |               | MMMSS     | \--     | T**\ |        |
|              |               |           |         | 1R   |        |
+--------------+---------------+-----------+---------+------+--------+
| **HCRIT**\   | **Sys_Lvl**\  | **Misc    |         |      |        |
| \--          | N             | Codes**\  |         |      |        |
|              |               | A B C D E |         |      |        |
|              |               | F G H I J |         |      |        |
|              |               | K L M N O |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| EIM          | \--           | \--       | \--     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| LRU          | \--           | \--       | \--     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| NCA          | LH2 ULLAGE    | PD74      | 1618    | UFAC |        |
|              | PRESSURE      | 00098-089 |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | GU   |        |
|              |               |           |         | LTON |        |
+--------------+---------------+-----------+---------+------+--------+
| **Test/      | **Prevailing  | **F /     | **Fail  | **   |        |
| Operation**\ | Condtion**\   | U**\      | Mode**\ | Caus |        |
| A - ATP      | F -           | F         | EL -    | e**\ |        |
|              | FUNCTIONAL    |           | SHORT   | E    |        |
|              |               |           |         | SW - |        |
|              |               |           |         | EI-S |        |
|              |               |           |         | HIP- |        |
|              |               |           |         | WORK |        |
+--------------+---------------+-----------+---------+------+--------+
| **System**\  | **Defect**\   | **Ma      | **Work  | **   |        |
| ELECTRICAL   | DD - DETACH   | terial**\ | Con     | Fail |        |
|              |               | C - EEE   | tact**\ | Dat  |        |
|              |               |           | JOHN    | e**\ |        |
|              |               |           | ADAMS   | 01   |        |
|              |               |           |         | /19/ |        |
|              |               |           |         | 1994 |        |
+--------------+---------------+-----------+---------+------+--------+
| **Received   | **Date        | **FMEA    | **IFA:  | *    |        |
| at MSFC**\   | Isolated**\   | Ref       | Mission | *Mis |        |
| 01/24/1994   | 01/19/1994    | erence**\ | P       | sion |        |
|              |               | 3.4.1.2   | hase**\ | Ela  |        |
|              |               |           | \--     | psed |        |
|              |               |           |         | Tim  |        |
|              |               |           |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               | **S       |         | **   |        |
| *Location**\ |               | ymptom**\ |         | Time |        |
| GULTON       |               | EL -      |         | Cycl |        |
|              |               | SHORT     |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               |           |         |      |        |
| *Effectivity |               |           |         |      |        |
| Text**\      |               |           |         |      |        |
| NONE         |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Vehicle    |               |           |         |      |        |
| Effectivity  |               |           |         |      |        |
| Codes**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Vehicle    | **Vehicle     | **Vehicle | **      | *    |        |
| 1**\         | 2**\          | 3**\      | Vehicle | *Veh |        |
| \--          | \--           | \--       | 4**\    | icle |        |
|              |               |           | \--     | 5**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Mission    |               |           |         |      |        |
| Effectivity  |               |           |         |      |        |
| Codes**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Mssn 1**\  | **Mssn 2**\   | **Mssn    | **Mssn  | **   |        |
| \--          | \--           | 3**\      | 4**\    | Mssn |        |
|              |               | \--       | \--     | 5**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Estimated  |               |           |         |      |        |
| Completion   |               |           |         |      |        |
| Dates**      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **Contractor  | **LVL 3   | *       |      |        |
| Approved     | Req Defer     | Close**\  | *Remark |      |        |
| Defer Until  | Until Date**\ | \--       | /       |      |        |
| Date**\      | \--           |           | Ac      |      |        |
| \--          |               |           | tion**\ |      |        |
|              |               |           | \--     |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **I          |               |           |         |      |        |
| nvestigation |               |           |         |      |        |
| / Resolution |               |           |         |      |        |
| Summary**    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Last MSFC  | **CN RSLV     | **Defer   | **Add   | *    |        |
| Update**\    | SBMT**\       | Date**\   | Date**\ | *R/C |        |
| 04/12/1994   | 03/03/1994    | 0         | 01/     | Code |        |
|              |               | 1/25/1994 | 24/1994 | s**\ |        |
|              |               |           |         | 0 -  |        |
|              |               |           |         | EXPL |        |
|              |               |           |         | \--  |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Assignee** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| R. MOYE      | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | M. PESSIN     | R.        | \--     | ject |        |
|              |               | JACKSON   |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | P.   |        |
|              |               |           |         | CO   |        |
|              |               |           |         | UNTS |        |
+--------------+---------------+-----------+---------+------+--------+
| **Approval** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| R. MOYE      | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | M. PESSIN     | R.        | \--     | ject |        |
|              |               | JACKSON   |         | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | P.   |        |
|              |               |           |         | CO   |        |
|              |               |           |         | UNTS |        |
+--------------+---------------+-----------+---------+------+--------+
| **PAC        | **PAC Review  | **MSFC    | **St    | *    |        |
| Assignee**\  | Complete**\   | Closure   | atus**\ | *F/A |        |
| B. HURST     | BH            | Date**\   | E -     | C    |        |
|              |               | 0         | C       | ompl |        |
|              |               | 3/10/1994 | LOSED-E | etio |        |
|              |               |           |         | n**\ |        |
|              |               |           |         | 01   |        |
|              |               |           |         | /10/ |        |
|              |               |           |         | 1994 |        |
+--------------+---------------+-----------+---------+------+--------+
| **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**\         |           |         |      |        |
| \--          | T-119553      |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| Status       |               |           |         |      |        |
| Summary**    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Reliabi    |               |           |         |      |        |
| lity/Quality |               |           |         |      |        |
| Assurance    |               |           |         |      |        |
| Concerns,    |               |           |         |      |        |
| Recomm       |               |           |         |      |        |
| endations:** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| D            |               |           |         |      |        |
| escription** |               |           |         |      |        |
|              |               |           |         |      |        |
| A TRANSDUCER |               |           |         |      |        |
| FAILED A     |               |           |         |      |        |
| TEST OF      |               |           |         |      |        |
| APPLIED      |               |           |         |      |        |
| PRESSURE     |               |           |         |      |        |
| VERSUS       |               |           |         |      |        |
| OUTPUT       |               |           |         |      |        |
| VOLTAGE      |               |           |         |      |        |
|              |               |           |         |      |        |
| ACCURACY     |               |           |         |      |        |
| DURING       |               |           |         |      |        |
| SUPPLIER     |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| T            |               |           |         |      |        |
| ESTING(ATP). |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
|              |               |           |         |      |        |
| INDICATED A  |               |           |         |      |        |
| LOWER        |               |           |         |      |        |
| PRESSURE     |               |           |         |      |        |
| THAN THAT    |               |           |         |      |        |
| WHICH WAS    |               |           |         |      |        |
| APPLIED      |               |           |         |      |        |
|              |               |           |         |      |        |
| CRITICALITY: |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| IS LISTED AS |               |           |         |      |        |
| CRIT. 1R:    |               |           |         |      |        |
| FMEA ITEM    |               |           |         |      |        |
| CODE         |               |           |         |      |        |
|              |               |           |         |      |        |
| 3.4.1.2      |               |           |         |      |        |
| \"FAILS WITH |               |           |         |      |        |
| LOW          |               |           |         |      |        |
| READING\"    |               |           |         |      |        |
|              |               |           |         |      |        |
| NOTE: THE    |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| IS LIMITED   |               |           |         |      |        |
| LIFE         |               |           |         |      |        |
| CONTROLLED   |               |           |         |      |        |
|              |               |           |         |      |        |
| \* REVISION  |               |           |         |      |        |
| \"B\" CLOSES |               |           |         |      |        |
| ALL TASKS.   |               |           |         |      |        |
| SEE          |               |           |         |      |        |
| ASTERISKS    |               |           |         |      |        |
| FOR CHANGES  |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| In           |               |           |         |      |        |
| vestigation/ |               |           |         |      |        |
| Resolution** |               |           |         |      |        |
|              |               |           |         |      |        |
| GENERAL:     |               |           |         |      |        |
|              |               |           |         |      |        |
| AN LH2       |               |           |         |      |        |
| ULLAGE       |               |           |         |      |        |
| PRESSURE     |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| WAS BEING    |               |           |         |      |        |
| TESTED AT    |               |           |         |      |        |
| THE SUPPLIER |               |           |         |      |        |
|              |               |           |         |      |        |
| GU           |               |           |         |      |        |
| LTON-STATHAM |               |           |         |      |        |
| TRANSDUCERS, |               |           |         |      |        |
| PER          |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
| TEST         |               |           |         |      |        |
| PLAN(ATP)    |               |           |         |      |        |
| 3031-13803   |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| FAILED THE   |               |           |         |      |        |
| CALIBRATION  |               |           |         |      |        |
| ACCURACY     |               |           |         |      |        |
| TEST OF ATP  |               |           |         |      |        |
| PARAGRAPH    |               |           |         |      |        |
|              |               |           |         |      |        |
| 5.2 WHICH    |               |           |         |      |        |
| FOLLOWS THE  |               |           |         |      |        |
| PROOF        |               |           |         |      |        |
| PRESSURE     |               |           |         |      |        |
| TEST. AT AN  |               |           |         |      |        |
| APPLIED      |               |           |         |      |        |
| PRESSURE OF  |               |           |         |      |        |
|              |               |           |         |      |        |
| 32 PSIA THE  |               |           |         |      |        |
| OUTPUT       |               |           |         |      |        |
| VOLTAGE WAS  |               |           |         |      |        |
| 2.427 V; THE |               |           |         |      |        |
| MINIMUM      |               |           |         |      |        |
| ACCEPTABLE   |               |           |         |      |        |
|              |               |           |         |      |        |
| VOLTAGE IS   |               |           |         |      |        |
| 2.450 V      |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| IS USED TO   |               |           |         |      |        |
| MEASURE THE  |               |           |         |      |        |
| ULLAGE       |               |           |         |      |        |
| PRESSURE IN  |               |           |         |      |        |
| THE LIQUID   |               |           |         |      |        |
|              |               |           |         |      |        |
| HYDROGEN     |               |           |         |      |        |
| PROPELLANT   |               |           |         |      |        |
| TANK DURING  |               |           |         |      |        |
| BOTH GROUND  |               |           |         |      |        |
| PROPELLANT   |               |           |         |      |        |
| LOADING AND  |               |           |         |      |        |
| IN           |               |           |         |      |        |
|              |               |           |         |      |        |
| FLIGHT. THE  |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| IS ATTACHED  |               |           |         |      |        |
| TO A SHOCK   |               |           |         |      |        |
| MOUNT ON THE |               |           |         |      |        |
| FORWARD      |               |           |         |      |        |
|              |               |           |         |      |        |
| DOME OF THE  |               |           |         |      |        |
| HYDROGEN     |               |           |         |      |        |
| TANK, WITHIN |               |           |         |      |        |
| THE          |               |           |         |      |        |
| INTERTANK.   |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
|              |               |           |         |      |        |
| COVERS THE   |               |           |         |      |        |
| RANGE OF 12  |               |           |         |      |        |
| TO 52 PSIA.  |               |           |         |      |        |
| THE ORBITER  |               |           |         |      |        |
| PROVIDES 5   |               |           |         |      |        |
| VDC TO THE   |               |           |         |      |        |
|              |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| AND RECEIVES |               |           |         |      |        |
| A VOLTAGE    |               |           |         |      |        |
| FROM THE     |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| PROPORTIONAL |               |           |         |      |        |
|              |               |           |         |      |        |
| TO THE       |               |           |         |      |        |
| ULLAGE       |               |           |         |      |        |
| PRESSURE.    |               |           |         |      |        |
| THE PRESSURE |               |           |         |      |        |
| MEASUREMENT  |               |           |         |      |        |
| IS USED TO   |               |           |         |      |        |
| CONTROL      |               |           |         |      |        |
|              |               |           |         |      |        |
| THE SPACE    |               |           |         |      |        |
| SHUTTLE MAIN |               |           |         |      |        |
| ENGINE(SSME) |               |           |         |      |        |
| GASEOUS      |               |           |         |      |        |
| HYDROGEN     |               |           |         |      |        |
| FLOW CONTROL |               |           |         |      |        |
|              |               |           |         |      |        |
| VALVE        |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK I.      |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
|              |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| FAILURE WAS  |               |           |         |      |        |
| DOCUMENTATED |               |           |         |      |        |
| ON MARS      |               |           |         |      |        |
| T-119553,    |               |           |         |      |        |
| ITEM 4. THE  |               |           |         |      |        |
|              |               |           |         |      |        |
| MARS WILL BE |               |           |         |      |        |
| D            |               |           |         |      |        |
| ISPOSITIONED |               |           |         |      |        |
| FOR FAILURE  |               |           |         |      |        |
| ANALYSIS TO  |               |           |         |      |        |
| BE PERFORMED |               |           |         |      |        |
| AT           |               |           |         |      |        |
|              |               |           |         |      |        |
| GU           |               |           |         |      |        |
| LTON-STATHAM |               |           |         |      |        |
|              |               |           |         |      |        |
| RES          |               |           |         |      |        |
| PONSIBILITY: |               |           |         |      |        |
| J.           |               |           |         |      |        |
| ADAMS/3741   |               |           |         |      |        |
| \-- D.       |               |           |         |      |        |
| W            |               |           |         |      |        |
| ESTPHAL/3740 |               |           |         |      |        |
|              |               |           |         |      |        |
| L.           |               |           |         |      |        |
| COL          |               |           |         |      |        |
| ON/4120\--J. |               |           |         |      |        |
| COOL/.4120   |               |           |         |      |        |
|              |               |           |         |      |        |
| G.           |               |           |         |      |        |
| PICH         |               |           |         |      |        |
| ON/3830\--M. |               |           |         |      |        |
| COMBS/3830   |               |           |         |      |        |
|              |               |           |         |      |        |
| \* COMPLETE  |               |           |         |      |        |
|              |               |           |         |      |        |
| \* CLOSURE   |               |           |         |      |        |
| STATEMENT    |               |           |         |      |        |
|              |               |           |         |      |        |
| ANALYSIS     |               |           |         |      |        |
| IDENTIFIED   |               |           |         |      |        |
| THE \"STOP   |               |           |         |      |        |
| SHAFT\" OF   |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| MECHANISM AS |               |           |         |      |        |
|              |               |           |         |      |        |
| HAVING       |               |           |         |      |        |
| BECOME       |               |           |         |      |        |
| LOOSE. THE   |               |           |         |      |        |
| STOP SHAFT   |               |           |         |      |        |
| SERVES TO    |               |           |         |      |        |
| BOTH LIMIT   |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| CAPSULE      |               |           |         |      |        |
| TRAVEL AND   |               |           |         |      |        |
| TO SECURE    |               |           |         |      |        |
| THE WIPER    |               |           |         |      |        |
| DRIVE        |               |           |         |      |        |
| MECHANISM TO |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| CAPSULE. THE |               |           |         |      |        |
| LOOSENESS OF |               |           |         |      |        |
| THE STOP     |               |           |         |      |        |
| SHAFT        |               |           |         |      |        |
| ACCOUNTS FOR |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| CALIBRATION  |               |           |         |      |        |
| SHIFT        |               |           |         |      |        |
| FOLLOWING    |               |           |         |      |        |
| PROOF        |               |           |         |      |        |
| PRESSURE     |               |           |         |      |        |
| TEST. EPOXY  |               |           |         |      |        |
| GLUE,        |               |           |         |      |        |
|              |               |           |         |      |        |
| INTENDED AS  |               |           |         |      |        |
| STAKING TO   |               |           |         |      |        |
| PREVENT      |               |           |         |      |        |
| LOOSENING OF |               |           |         |      |        |
| THE SHAFT,   |               |           |         |      |        |
| WAS STILL    |               |           |         |      |        |
|              |               |           |         |      |        |
| IN PLACE ON  |               |           |         |      |        |
| THE SHAFT    |               |           |         |      |        |
| BUT NO       |               |           |         |      |        |
| LONGER       |               |           |         |      |        |
| ADHERED TO   |               |           |         |      |        |
| THE ADJACENT |               |           |         |      |        |
| PARTS        |               |           |         |      |        |
|              |               |           |         |      |        |
| A DENT WAS   |               |           |         |      |        |
| FOUND IN THE |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| CASE; THIS   |               |           |         |      |        |
| INTRODUCED   |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| POSSIBILITY  |               |           |         |      |        |
| OF HANDLING  |               |           |         |      |        |
| DAMAGE       |               |           |         |      |        |
| INDUCED      |               |           |         |      |        |
| MECHANICAL   |               |           |         |      |        |
| SHOCK HAVING |               |           |         |      |        |
|              |               |           |         |      |        |
| CAUSED THE   |               |           |         |      |        |
| EPOXY BOND   |               |           |         |      |        |
| TO FAIL. THE |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| HAD FAILED   |               |           |         |      |        |
| IN           |               |           |         |      |        |
|              |               |           |         |      |        |
| SUPPLIER ATP |               |           |         |      |        |
| FOLLOWING    |               |           |         |      |        |
| REWORK OF    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| LEAD WIRES;  |               |           |         |      |        |
| THIS         |               |           |         |      |        |
|              |               |           |         |      |        |
| ALLOWS THE   |               |           |         |      |        |
| POSSIBILITY  |               |           |         |      |        |
| OF REWORK    |               |           |         |      |        |
| INDUCED      |               |           |         |      |        |
| FAILURE.     |               |           |         |      |        |
| OTHER        |               |           |         |      |        |
| POSSIBLE     |               |           |         |      |        |
|              |               |           |         |      |        |
| CAUSES ALSO  |               |           |         |      |        |
| EXIST.       |               |           |         |      |        |
| REVIEW OF    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| SUPPLIERS    |               |           |         |      |        |
| M            |               |           |         |      |        |
| ANUFACTURING |               |           |         |      |        |
| PROCESSES    |               |           |         |      |        |
|              |               |           |         |      |        |
| FAILED TO    |               |           |         |      |        |
| DISCOVER ANY |               |           |         |      |        |
| ESCAPE WHICH |               |           |         |      |        |
| COULD HAVE   |               |           |         |      |        |
| DIRECTLY     |               |           |         |      |        |
| CAUSED THE   |               |           |         |      |        |
|              |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK CLOSED  |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK II.     |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTION       |               |           |         |      |        |
|              |               |           |         |      |        |
| \*NO         |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTION FOR   |               |           |         |      |        |
| THE FAILURE  |               |           |         |      |        |
| IS POSSIBLE. |               |           |         |      |        |
| THE ROOT     |               |           |         |      |        |
| CAUSE IS     |               |           |         |      |        |
|              |               |           |         |      |        |
| UNKNOWN. THE |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| FAILED       |               |           |         |      |        |
| FOLLOWING    |               |           |         |      |        |
| REWORK OF    |               |           |         |      |        |
| THE LEAD     |               |           |         |      |        |
| WIRES        |               |           |         |      |        |
|              |               |           |         |      |        |
| REVIEW OF    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| SUPPLIERS    |               |           |         |      |        |
| D            |               |           |         |      |        |
| OCUMENTATION |               |           |         |      |        |
| AND DIRECT   |               |           |         |      |        |
| OBSERVATION  |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
|              |               |           |         |      |        |
| LEAD WIRE    |               |           |         |      |        |
| REWORK       |               |           |         |      |        |
| PROCESSES,   |               |           |         |      |        |
| ACCOMPLISHED |               |           |         |      |        |
| AS PART OF   |               |           |         |      |        |
| CAPS E-153,  |               |           |         |      |        |
| FOUND        |               |           |         |      |        |
|              |               |           |         |      |        |
| NO           |               |           |         |      |        |
| DEFICIENCIES |               |           |         |      |        |
| OR LACK OF   |               |           |         |      |        |
| CONTROLS.    |               |           |         |      |        |
| REVIEW OF    |               |           |         |      |        |
| THE FAILURE  |               |           |         |      |        |
| HISTORY      |               |           |         |      |        |
|              |               |           |         |      |        |
| OF THIS      |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| TYPE FOUND   |               |           |         |      |        |
| NO SIMILAR   |               |           |         |      |        |
| PREVIOUS     |               |           |         |      |        |
| FAILURES     |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK CLOSED  |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK III.    |               |           |         |      |        |
| CLEARANCE OF |               |           |         |      |        |
| E            |               |           |         |      |        |
| FFECTIVITIES |               |           |         |      |        |
|              |               |           |         |      |        |
| \*THIS IS AN |               |           |         |      |        |
| EXPLAINED    |               |           |         |      |        |
| CLOSURE OF   |               |           |         |      |        |
| THE CAPS     |               |           |         |      |        |
|              |               |           |         |      |        |
| ALL ETS      |               |           |         |      |        |
| CLEARED. THE |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| FAILED       |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
| SUPPLIER     |               |           |         |      |        |
| ACCEPTANCE   |               |           |         |      |        |
|              |               |           |         |      |        |
| TESTS AND    |               |           |         |      |        |
| ALL          |               |           |         |      |        |
| DELIVERED    |               |           |         |      |        |
| TRANSDUCERS  |               |           |         |      |        |
| HAVE PASSED  |               |           |         |      |        |
| THE TESTS    |               |           |         |      |        |
|              |               |           |         |      |        |
| NOTE: THIS   |               |           |         |      |        |
| IS ALSO THE  |               |           |         |      |        |
| DEFERRAL     |               |           |         |      |        |
| RATIONALE    |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK CLOSED  |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK IV.     |               |           |         |      |        |
| CAPS CLOSURE |               |           |         |      |        |
| SUMMARY      |               |           |         |      |        |
|              |               |           |         |      |        |
| \*WHILE THE  |               |           |         |      |        |
| MECHANICAL   |               |           |         |      |        |
| DEFECT       |               |           |         |      |        |
| RESPONSIBLE  |               |           |         |      |        |
| FOR THE      |               |           |         |      |        |
| FAILURE WAS  |               |           |         |      |        |
|              |               |           |         |      |        |
| IDENTIFIED,  |               |           |         |      |        |
| THE ROOT     |               |           |         |      |        |
| CAUSE        |               |           |         |      |        |
| REMAINS      |               |           |         |      |        |
| UNKNOWN.     |               |           |         |      |        |
| THIS         |               |           |         |      |        |
| PRECLUDES    |               |           |         |      |        |
| EFFECTIVE    |               |           |         |      |        |
|              |               |           |         |      |        |
| CORRECTIVE   |               |           |         |      |        |
| ACTION.      |               |           |         |      |        |
| REVIEW OF    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| SUPPLIERS    |               |           |         |      |        |
| PROCESSES    |               |           |         |      |        |
| FOUND NO     |               |           |         |      |        |
|              |               |           |         |      |        |
| D            |               |           |         |      |        |
| EFICIENCIES. |               |           |         |      |        |
| THERE HAVE   |               |           |         |      |        |
| BEEN NO      |               |           |         |      |        |
| PREVIOUS     |               |           |         |      |        |
| FAILURES DUE |               |           |         |      |        |
| TO THIS TYPE |               |           |         |      |        |
|              |               |           |         |      |        |
| OF PROBLEM.  |               |           |         |      |        |
| THE SUPPLIER |               |           |         |      |        |
| ATP IS AN    |               |           |         |      |        |
| EFFECTIVE    |               |           |         |      |        |
| SCREEN FOR   |               |           |         |      |        |
| THE PROBLEM  |               |           |         |      |        |
|              |               |           |         |      |        |
| TASK CLOSED  |               |           |         |      |        |
|              |               |           |         |      |        |
| THIS CAPS IS |               |           |         |      |        |
| CLOSED       |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       |               |           |         |      |        |
| Response/C   |               |           |         |      |        |
| oncurrence** |               |           |         |      |        |
|              |               |           |         |      |        |
| 1/24/94 -    |               |           |         |      |        |
| DEFERRAL     |               |           |         |      |        |
| RATIONALE:   |               |           |         |      |        |
|              |               |           |         |      |        |
| BASED ON THE |               |           |         |      |        |
| INFORMATION  |               |           |         |      |        |
| IN \"TASK    |               |           |         |      |        |
| III.         |               |           |         |      |        |
| CLEARANCE OF |               |           |         |      |        |
| EFF          |               |           |         |      |        |
| ECTIVITIES\" |               |           |         |      |        |
|              |               |           |         |      |        |
| (ABOVE),     |               |           |         |      |        |
| THIS PROBLEM |               |           |         |      |        |
| HAS BEEN     |               |           |         |      |        |
| DEFERRED FOR |               |           |         |      |        |
| THE NEXT SIX |               |           |         |      |        |
| (6) MONTHS   |               |           |         |      |        |
| PER          |               |           |         |      |        |
|              |               |           |         |      |        |
| NSTS 08126,  |               |           |         |      |        |
| REVISION E,  |               |           |         |      |        |
| PARAGRAPH    |               |           |         |      |        |
| 3.3.10.1,    |               |           |         |      |        |
| ITEM D WHICH |               |           |         |      |        |
| STATES \"THE |               |           |         |      |        |
|              |               |           |         |      |        |
| PROBLEM      |               |           |         |      |        |
| CONDITION IS |               |           |         |      |        |
| CLEARLY      |               |           |         |      |        |
| SCREENED BY  |               |           |         |      |        |
| PREFLIGHT    |               |           |         |      |        |
| CHECKOUT OR  |               |           |         |      |        |
| SPECIAL      |               |           |         |      |        |
|              |               |           |         |      |        |
| TESTS (I.E., |               |           |         |      |        |
| FAILURE MODE |               |           |         |      |        |
| SHOULD NOT   |               |           |         |      |        |
| OCCUR        |               |           |         |      |        |
| FOLLOWING    |               |           |         |      |        |
| THE TEST).\" |               |           |         |      |        |
|              |               |           |         |      |        |
| APPROVE      |               |           |         |      |        |
| D:\_\_PARKER |               |           |         |      |        |
| V.           |               |           |         |      |        |
| COUN         |               |           |         |      |        |
| TS\_(SIGNED) |               |           |         |      |        |
| DATE         |               |           |         |      |        |
| :\_\_1/25/94 |               |           |         |      |        |
| \_\_\_\_\_\_ |               |           |         |      |        |
| \_\_\_\_\_\_ |               |           |         |      |        |
|              |               |           |         |      |        |
| PARKER V.    |               |           |         |      |        |
| COUNTS       |               |           |         |      |        |
|              |               |           |         |      |        |
| ET PROJECT   |               |           |         |      |        |
| MANAGER      |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+

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

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

  -------------- --------------------- ------------------ ----------- ----------- ------------
  **MSFC         **IFA#**\             **Contractor       **JSC#**\   **KSC#**\   **EICN#**\
  Report#**\     \--                   RPT#**\            \--         \--         \--
  A15785                               E-157                                      

  **Asmnt        **Asmnt Part Name**\  **Asmnt                                    
  Part#**\       LH2 PRES TRANSDUCER   Serial/Lot#**\                             
  PD480098-089                         1618                                       

  **HCRIT CD**\  **FCRIT CD**\         **CAUSE CD**\      **FAIL                  
  \--            1R                    ESW - EI-SHIP-WORK MODE**\                 
                                                          EL - SHORT              

  **Asmnt        **Asmnt FM**\         **FMEA CSE**\      **FMEA                  
  FMEA**\        2                     G                  SCSE**\                 
  3.4.1.2                                                 4                       

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

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

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

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

  **MAJOR DESIGN                                                                  
  CHANGES**                                                                       

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

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