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

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

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

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

+--------------+---------------+----------+---------+------+--------+
| **MSFC       | **In-Flight   | **Co     | **      | *    |        |
| Record \#**\ | Anomaly       | ntractor | JSC#**\ | *KSC |        |
| A16988       | Number**\     | Report   | \--     | #**\ |        |
|              | \--           | N        |         | \--  |        |
|              |               | umber**\ |         |      |        |
|              |               | E-162    |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Problem    |               |          |         |      |        |
| Title**\     |               |          |         |      |        |
| LH2, ULLAGE  |               |          |         |      |        |
| PRESSURE     |               |          |         |      |        |
| TRANSDUCER   |               |          |         |      |        |
| OUTPUT       |               |          |         |      |        |
| VOLTAGE LOW  |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Contr  | **F     | **   |        |
| \--          | ET            | actor**\ | SCM#**\ | FCRI |        |
|              |               | LMMSS    | \--     | T**\ |        |
|              |               |          |         | 1R   |        |
+--------------+---------------+----------+---------+------+--------+
| **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          | H2 ULLAGE     | 098-089  | 1800    | UFAC |        |
|              | PRESSURE T    |          |         | TURE |        |
|              |               |          |         | R**\ |        |
|              |               |          |         | GULT |        |
|              |               |          |         | ON-S |        |
|              |               |          |         | TATH |        |
+--------------+---------------+----------+---------+------+--------+
| **Test/      | **Prevailing  | **F /    | **Fail  | **   |        |
| Operation**\ | Condtion**\   | U**\     | Mode**\ | Caus |        |
| AI - ATI     | FC -          | UC       | EQ -    | e**\ |        |
|              | CALIBRATION   |          | OUTPUT  | U -  |        |
|              |               |          | ERROR   | UNK  |        |
|              |               |          |         | NOWN |        |
+--------------+---------------+----------+---------+------+--------+
| **System**\  | **Defect**\   | **Mat    | **Work  | **   |        |
| ELECTRICAL   | EP - ELVAL    | erial**\ | Con     | Fail |        |
|              |               | CA -     | tact**\ | Dat  |        |
|              |               | DEVICE   | J.      | e**\ |        |
|              |               |          | ADAMS   | 12   |        |
|              |               |          |         | /06/ |        |
|              |               |          |         | 1996 |        |
+--------------+---------------+----------+---------+------+--------+
| **Received   | **Date        | **FMEA   | **IFA:  | *    |        |
| at MSFC**\   | Isolated**\   | Refe     | Mission | *Mis |        |
| 12/10/1996   | 12/06/1996    | rence**\ | P       | sion |        |
|              |               | 3.4.1.2  | hase**\ | Ela  |        |
|              |               |          | \--     | psed |        |
|              |               |          |         | Tim  |        |
|              |               |          |         | e**\ |        |
|              |               |          |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| *            |               | **Sy     |         | **   |        |
| *Location**\ |               | mptom**\ |         | Time |        |
| GULTON-STA   |               | EQ -     |         | Cycl |        |
|              |               | OUTPUT   |         | e**\ |        |
|              |               | ERROR    |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| *            |               |          |         |      |        |
| *Effectivity |               |          |         |      |        |
| Text**\      |               |          |         |      |        |
| NONE         |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Vehicle    |               |          |         |      |        |
| Effectivity  |               |          |         |      |        |
| Codes**      |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Vehicle    | **Vehicle     | *        | **      | *    |        |
| 1**\         | 2**\          | *Vehicle | Vehicle | *Veh |        |
| \--          | \--           | 3**\     | 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**\      | 02/18/1997    |          | Ac      |      |        |
| 06/18/1997   |               |          | tion**\ |      |        |
|              |               |          | 02/     |      |        |
|              |               |          | 18/1997 |      |        |
+--------------+---------------+----------+---------+------+--------+
| **I          |               |          |         |      |        |
| nvestigation |               |          |         |      |        |
| / Resolution |               |          |         |      |        |
| Summary**    |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Last MSFC  | **CN RSLV     | **Defer  | **Add   | *    |        |
| Update**\    | SBMT**\       | Date**\  | Date**\ | *R/C |        |
| 02/15/2001   | 03/04/1997    | 12       | 12/     | Code |        |
|              |               | /18/1996 | 10/1996 | s**\ |        |
|              |               |          |         | 0 -  |        |
|              |               |          |         | EXPL |        |
|              |               |          |         | \--  |        |
|              |               |          |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| **Assignee** |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Design**\  | **Chief       | **S &    | **Pro   | *    |        |
| J. RATLEY    | Engineer**\   | MA**\    | ject**\ | *Pro |        |
|              | M. PESSINN    | M.       | \--     | ject |        |
|              |               | SMILES   |         | MG   |        |
|              |               |          |         | R**\ |        |
|              |               |          |         | P.   |        |
|              |               |          |         | CO   |        |
|              |               |          |         | UNTS |        |
+--------------+---------------+----------+---------+------+--------+
| **Approval** |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Design**\  | **Chief       | **S &    | **Pro   | *    |        |
| J. RATLEY    | Engineer**\   | MA**\    | ject**\ | *Pro |        |
|              | M. PESSIN     | M.D.     | \--     | ject |        |
|              |               | SMILES   |         | MG   |        |
|              |               |          |         | R**\ |        |
|              |               |          |         | P.   |        |
|              |               |          |         | CO   |        |
|              |               |          |         | UNTS |        |
+--------------+---------------+----------+---------+------+--------+
| **PAC        | **PAC Review  | **MSFC   | **St    | *    |        |
| Assignee**\  | Complete**\   | Closure  | atus**\ | *F/A |        |
| R. TUCKER    | RT            | Date**\  | C -     | C    |        |
|              |               | 03       | CLOSED  | ompl |        |
|              |               | /11/1997 |         | etio |        |
|              |               |          |         | n**\ |        |
|              |               |          |         | \--  |        |
+--------------+---------------+----------+---------+------+--------+
| **Problem    | **SEV**\      | *        | **      | **O  |        |
| Type**\      | \--           | *Program | REVL**\ | PRIN |        |
| \--          |               | Name**\  | \--     | 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**\         |          |         |      |        |
| \--          | N008269       |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **Related    |               |          |         |      |        |
| Document     |               |          |         |      |        |
| Title**\     |               |          |         |      |        |
| NONE         |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **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 THE   |               |          |         |      |        |
| CALIBRATION  |               |          |         |      |        |
| TEST SEGMENT |               |          |         |      |        |
| OF THE       |               |          |         |      |        |
| SUPPLIERS    |               |          |         |      |        |
|              |               |          |         |      |        |
| ACCEPTANCE   |               |          |         |      |        |
| TEST         |               |          |         |      |        |
| PROCEDURE.   |               |          |         |      |        |
| THE          |               |          |         |      |        |
| T            |               |          |         |      |        |
| RANSDUCER\'S |               |          |         |      |        |
| OUTPUT       |               |          |         |      |        |
| VOLTAGE WAS  |               |          |         |      |        |
|              |               |          |         |      |        |
| LESS THAN    |               |          |         |      |        |
| THE MINIMUM  |               |          |         |      |        |
| ACCEPTANCE   |               |          |         |      |        |
| REQUIREMENT  |               |          |         |      |        |
| BETWEEN THE  |               |          |         |      |        |
| APPLIED      |               |          |         |      |        |
|              |               |          |         |      |        |
| PRESSURES OF |               |          |         |      |        |
| 32 TO 34     |               |          |         |      |        |
| PSIA         |               |          |         |      |        |
|              |               |          |         |      |        |
| CRITICALITY: |               |          |         |      |        |
| THE PRESSURE |               |          |         |      |        |
| 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\" -      |               |          |         |      |        |
| UPDATES AND  |               |          |         |      |        |
| CLOSES TASK  |               |          |         |      |        |
| I, II, AND   |               |          |         |      |        |
| III. SEE     |               |          |         |      |        |
|              |               |          |         |      |        |
| ASTERISKS    |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **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,         |               |          |         |      |        |
| SEQUENCE 3.  |               |          |         |      |        |
| PARTIAL TEST |               |          |         |      |        |
| RESULTS      |               |          |         |      |        |
|              |               |          |         |      |        |
| ARE LISTED   |               |          |         |      |        |
| IN TABLE 1   |               |          |         |      |        |
| BELOW        |               |          |         |      |        |
|              |               |          |         |      |        |
| TABLE 1      |               |          |         |      |        |
|              |               |          |         |      |        |
| APPLIED      |               |          |         |      |        |
| PRESS        |               |          |         |      |        |
| VOLTAGE      |               |          |         |      |        |
| MINIMUM      |               |          |         |      |        |
|              |               |          |         |      |        |
| PSIA         |               |          |         |      |        |
| ASCENDING    |               |          |         |      |        |
| PRESS.       |               |          |         |      |        |
| DESCENDING   |               |          |         |      |        |
| PRESS.       |               |          |         |      |        |
| ACCEPTABLE   |               |          |         |      |        |
| VOLT         |               |          |         |      |        |
|              |               |          |         |      |        |
| 32 2.402     |               |          |         |      |        |
| 2.436 2.450  |               |          |         |      |        |
|              |               |          |         |      |        |
| 33 2.529     |               |          |         |      |        |
| 2.551 2.575  |               |          |         |      |        |
|              |               |          |         |      |        |
| 34 2.654     |               |          |         |      |        |
| 2.679 2.700  |               |          |         |      |        |
|              |               |          |         |      |        |
| 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 |               |          |         |      |        |
|              |               |          |         |      |        |
| A. THE       |               |          |         |      |        |
| TRANSDUCER   |               |          |         |      |        |
| FAILURE WAS  |               |          |         |      |        |
| DOCUMENTED   |               |          |         |      |        |
| ON NCD       |               |          |         |      |        |
| N-8269. THE  |               |          |         |      |        |
|              |               |          |         |      |        |
| NCD WILL BE  |               |          |         |      |        |
| D            |               |          |         |      |        |
| ISPOSITIONED |               |          |         |      |        |
| FOR FAILURE  |               |          |         |      |        |
| ANALYSIS TO  |               |          |         |      |        |
| BE PERFORMED |               |          |         |      |        |
|              |               |          |         |      |        |
| AT GULTON    |               |          |         |      |        |
|              |               |          |         |      |        |
| RES          |               |          |         |      |        |
| PONSIBILITY: |               |          |         |      |        |
| J.           |               |          |         |      |        |
| ADAMS/3741 - |               |          |         |      |        |
| D.           |               |          |         |      |        |
| W            |               |          |         |      |        |
| ESTPHAL/3740 |               |          |         |      |        |
|              |               |          |         |      |        |
| L.           |               |          |         |      |        |
| COLON/4120 - |               |          |         |      |        |
| W.           |               |          |         |      |        |
| SIGUR/4100   |               |          |         |      |        |
|              |               |          |         |      |        |
| \* COMPLETE: |               |          |         |      |        |
| FEBRUARY 18, |               |          |         |      |        |
| 1997         |               |          |         |      |        |
|              |               |          |         |      |        |
| \* CLOSURE   |               |          |         |      |        |
| STATEMENT    |               |          |         |      |        |
|              |               |          |         |      |        |
| FAILURE      |               |          |         |      |        |
| ANALYSIS OF  |               |          |         |      |        |
| THE          |               |          |         |      |        |
| TRANSDUCER   |               |          |         |      |        |
| ISOLATED THE |               |          |         |      |        |
| FAILURE TO   |               |          |         |      |        |
| AN           |               |          |         |      |        |
|              |               |          |         |      |        |
| EXTREMELY    |               |          |         |      |        |
| SMALL GAS    |               |          |         |      |        |
| LEAK ON THE  |               |          |         |      |        |
| CIR          |               |          |         |      |        |
| CUMFERENTIAL |               |          |         |      |        |
| WELD OF THE  |               |          |         |      |        |
|              |               |          |         |      |        |
| ANEROID      |               |          |         |      |        |
| CAPSULE. THE |               |          |         |      |        |
| MEASURED     |               |          |         |      |        |
| LEAK RATE    |               |          |         |      |        |
| VARIED       |               |          |         |      |        |
| BETWEEN 2.2  |               |          |         |      |        |
|              |               |          |         |      |        |
| (10-9        |               |          |         |      |        |
| STANDARD     |               |          |         |      |        |
| CUBIC        |               |          |         |      |        |
| CENTIMETERS  |               |          |         |      |        |
| PER SECOND   |               |          |         |      |        |
| (CC/SEC) OF  |               |          |         |      |        |
| HELIUM       |               |          |         |      |        |
|              |               |          |         |      |        |
| AT 15 PSIG   |               |          |         |      |        |
| AND 5.4      |               |          |         |      |        |
| (10-7        |               |          |         |      |        |
| CC/SEC) AT   |               |          |         |      |        |
| 45 PSIG. THE |               |          |         |      |        |
| LEAK WAS     |               |          |         |      |        |
| ONLY         |               |          |         |      |        |
|              |               |          |         |      |        |
| PRESENT WHEN |               |          |         |      |        |
| THE PRESSURE |               |          |         |      |        |
| DIFFERENTIAL |               |          |         |      |        |
| WAS APPLIED  |               |          |         |      |        |
| WITH THE     |               |          |         |      |        |
|              |               |          |         |      |        |
| HIGHER       |               |          |         |      |        |
| PRESSURE     |               |          |         |      |        |
| INTERNAL TO  |               |          |         |      |        |
| THE ANEROID  |               |          |         |      |        |
| CAPSULE.     |               |          |         |      |        |
| TESTING      |               |          |         |      |        |
|              |               |          |         |      |        |
| ISOLATED THE |               |          |         |      |        |
| LEAK TO AN   |               |          |         |      |        |
| A            |               |          |         |      |        |
| PPROXIMATELY |               |          |         |      |        |
| 3/8 INCH     |               |          |         |      |        |
| LENGTH OF    |               |          |         |      |        |
| THE          |               |          |         |      |        |
|              |               |          |         |      |        |
| WELD.        |               |          |         |      |        |
| OPTICAL      |               |          |         |      |        |
| EXAMINATION  |               |          |         |      |        |
| WITH UP TO   |               |          |         |      |        |
| 40 DIAMETERS |               |          |         |      |        |
| M            |               |          |         |      |        |
| AGNIFICATION |               |          |         |      |        |
|              |               |          |         |      |        |
| COULD NOT    |               |          |         |      |        |
| DETECT ANY   |               |          |         |      |        |
| VISIBLE      |               |          |         |      |        |
| FLAW. THE    |               |          |         |      |        |
| DELICATE     |               |          |         |      |        |
| NATURE OF    |               |          |         |      |        |
|              |               |          |         |      |        |
| THE ANEROID  |               |          |         |      |        |
| AND THE THIN |               |          |         |      |        |
| METAL OF     |               |          |         |      |        |
| WHICH IT IS  |               |          |         |      |        |
| FABRICATED   |               |          |         |      |        |
|              |               |          |         |      |        |
| PREVENTED    |               |          |         |      |        |
| ANY FURTHER  |               |          |         |      |        |
| ATTEMPTS TO  |               |          |         |      |        |
| LOCATE THE   |               |          |         |      |        |
| WELD         |               |          |         |      |        |
| IMPERFECTION |               |          |         |      |        |
|              |               |          |         |      |        |
| SINCE THE    |               |          |         |      |        |
| IMPERFECTION |               |          |         |      |        |
| COULD NOT BE |               |          |         |      |        |
| IDENTIFIED,  |               |          |         |      |        |
| D            |               |          |         |      |        |
| ETERMINATION |               |          |         |      |        |
|              |               |          |         |      |        |
| OF THE ROOT  |               |          |         |      |        |
| CAUSE OF THE |               |          |         |      |        |
| LEAK WAS NOT |               |          |         |      |        |
| POSSIBLE     |               |          |         |      |        |
|              |               |          |         |      |        |
| TASK CLOSED  |               |          |         |      |        |
|              |               |          |         |      |        |
| CAUSE:       |               |          |         |      |        |
| SUPPLIER     |               |          |         |      |        |
| ERROR - THE  |               |          |         |      |        |
| FAILURE WAS  |               |          |         |      |        |
| ASSOCIATED   |               |          |         |      |        |
| WITH A       |               |          |         |      |        |
|              |               |          |         |      |        |
| GAS LEAK AT  |               |          |         |      |        |
| A WELD ON    |               |          |         |      |        |
| THE INTERNAL |               |          |         |      |        |
| ANEROID      |               |          |         |      |        |
| CAPSULE      |               |          |         |      |        |
|              |               |          |         |      |        |
| THE ROOT     |               |          |         |      |        |
| CAUSE OF THE |               |          |         |      |        |
| GAS LEAK     |               |          |         |      |        |
| COULD NOT BE |               |          |         |      |        |
| DETERMINED   |               |          |         |      |        |
|              |               |          |         |      |        |
| SEE TASK I   |               |          |         |      |        |
|              |               |          |         |      |        |
| TASK II.     |               |          |         |      |        |
| CORRECTIVE   |               |          |         |      |        |
| ACTION       |               |          |         |      |        |
|              |               |          |         |      |        |
| \* THE ROOT  |               |          |         |      |        |
| CAUSE OF THE |               |          |         |      |        |
| FAILURE      |               |          |         |      |        |
| COULD NOT BE |               |          |         |      |        |
| DETERMINED.  |               |          |         |      |        |
| THIS         |               |          |         |      |        |
|              |               |          |         |      |        |
| PREVENTS THE |               |          |         |      |        |
| DEVELOPMENT  |               |          |         |      |        |
| OF           |               |          |         |      |        |
| APPROPRIATE  |               |          |         |      |        |
| CORRECTIVE   |               |          |         |      |        |
| ACTION       |               |          |         |      |        |
|              |               |          |         |      |        |
| THE          |               |          |         |      |        |
| M            |               |          |         |      |        |
| ANUFACTURING |               |          |         |      |        |
| TRAVELER FOR |               |          |         |      |        |
| THE WELD OF  |               |          |         |      |        |
| THE ANEROID  |               |          |         |      |        |
| CAPSULE      |               |          |         |      |        |
|              |               |          |         |      |        |
| WAS REVISED  |               |          |         |      |        |
| AS A PROCESS |               |          |         |      |        |
| ENHANCEMENT  |               |          |         |      |        |
| WHICH SHOULD |               |          |         |      |        |
| REDUCE THE   |               |          |         |      |        |
|              |               |          |         |      |        |
| LIKELIHOOD   |               |          |         |      |        |
| OF FUTURE    |               |          |         |      |        |
| SIMILAR      |               |          |         |      |        |
| FAILURES.    |               |          |         |      |        |
| REVISION 10  |               |          |         |      |        |
| TO GULTON    |               |          |         |      |        |
|              |               |          |         |      |        |
| TRAVELER     |               |          |         |      |        |
| 121-601      |               |          |         |      |        |
| ADDED STEP   |               |          |         |      |        |
| 065, \"WELD  |               |          |         |      |        |
| SHOP GROUP   |               |          |         |      |        |
| LEADER       |               |          |         |      |        |
|              |               |          |         |      |        |
| INSPECT ALL  |               |          |         |      |        |
| HEAT SINKS   |               |          |         |      |        |
| AND          |               |          |         |      |        |
| REFURBISH AS |               |          |         |      |        |
| REQUIRED,    |               |          |         |      |        |
| WITH THE     |               |          |         |      |        |
|              |               |          |         |      |        |
| EXCEPTION OF |               |          |         |      |        |
| THE O.D.     |               |          |         |      |        |
| WELD HALF    |               |          |         |      |        |
| AND SOLID    |               |          |         |      |        |
| HEAT SINKS   |               |          |         |      |        |
| WHICH MUST   |               |          |         |      |        |
|              |               |          |         |      |        |
| BE REPLACED  |               |          |         |      |        |
| FOR EACH     |               |          |         |      |        |
| LOT.\"       |               |          |         |      |        |
|              |               |          |         |      |        |
| 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      |               |          |         |      |        |
|              |               |          |         |      |        |
| \* THE       |               |          |         |      |        |
| FAILURE OF   |               |          |         |      |        |
| THE          |               |          |         |      |        |
| TRANSDUCER   |               |          |         |      |        |
| TO MEET THE  |               |          |         |      |        |
| SUPPLIER ATP |               |          |         |      |        |
|              |               |          |         |      |        |
| REQUIREMENTS |               |          |         |      |        |
| FOR          |               |          |         |      |        |
| CALIBRATION  |               |          |         |      |        |
| ACCURACY WAS |               |          |         |      |        |
| THE RESULT   |               |          |         |      |        |
| OF AN        |               |          |         |      |        |
|              |               |          |         |      |        |
| EXTREMELY    |               |          |         |      |        |
| SMALL GAS    |               |          |         |      |        |
| LEAK         |               |          |         |      |        |
| IN/ADJACENT  |               |          |         |      |        |
| TO THE       |               |          |         |      |        |
| CIR          |               |          |         |      |        |
| CUMFERENTIAL |               |          |         |      |        |
|              |               |          |         |      |        |
| WELD OF THE  |               |          |         |      |        |
| INTERNAL     |               |          |         |      |        |
| ANEROID      |               |          |         |      |        |
| CAPSULE. IT  |               |          |         |      |        |
| WAS NOT      |               |          |         |      |        |
| POSSIBLE     |               |          |         |      |        |
|              |               |          |         |      |        |
| TO DETERMINE |               |          |         |      |        |
| THE ROOT     |               |          |         |      |        |
| CAUSE OF THE |               |          |         |      |        |
| DEFECT. A    |               |          |         |      |        |
| WELD PROCESS |               |          |         |      |        |
|              |               |          |         |      |        |
| ENHANCEMENT  |               |          |         |      |        |
| WAS MADE TO  |               |          |         |      |        |
| REDUCE THE   |               |          |         |      |        |
| LIKELIHOOD   |               |          |         |      |        |
| OF FUTURE    |               |          |         |      |        |
|              |               |          |         |      |        |
| OCCURRENCES. |               |          |         |      |        |
| THE SUPPLIER |               |          |         |      |        |
| ACCEPTANCE   |               |          |         |      |        |
| TEST PLAN    |               |          |         |      |        |
| (ATP) AND    |               |          |         |      |        |
|              |               |          |         |      |        |
| THE TESTS    |               |          |         |      |        |
| PERFORMED ON |               |          |         |      |        |
| THE          |               |          |         |      |        |
| TRANSDUCERS  |               |          |         |      |        |
| AT BOTH MAF  |               |          |         |      |        |
| AND KSC      |               |          |         |      |        |
|              |               |          |         |      |        |
| AFTER        |               |          |         |      |        |
| INSTALLATION |               |          |         |      |        |
| ON AN ET ARE |               |          |         |      |        |
| ALL          |               |          |         |      |        |
| EFFECTIVE    |               |          |         |      |        |
| SCREENS FOR  |               |          |         |      |        |
|              |               |          |         |      |        |
| THIS TYPE OF |               |          |         |      |        |
| PROBLEM      |               |          |         |      |        |
|              |               |          |         |      |        |
| TASK CLOSED  |               |          |         |      |        |
|              |               |          |         |      |        |
| \* THIS AN   |               |          |         |      |        |
| EXPLAINED    |               |          |         |      |        |
| CAPS         |               |          |         |      |        |
|              |               |          |         |      |        |
| \* THIS CAPS |               |          |         |      |        |
| IS CLOSED.   |               |          |         |      |        |
| NO FURTHER   |               |          |         |      |        |
| ACTION IS    |               |          |         |      |        |
| REQUIRED     |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+
| **MSFC       |               |          |         |      |        |
| Response/C   |               |          |         |      |        |
| oncurrence** |               |          |         |      |        |
+--------------+---------------+----------+---------+------+--------+

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

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

  -------------- ---------------------- ---------------- ----------- ----------- ------------
  **MSFC         **IFA#**\              **Contractor     **JSC#**\   **KSC#**\   **EICN#**\
  Report#**\     \--                    RPT#**\          \--         \--         \--
  A16988                                E-162                                    

  **Asmnt        **Asmnt Part Name**\   **Asmnt                                  
  Part#**\       LH2,ULLGE PRESS TRAN   Serial/Lot#**\                           
  PD740098-089                          1800                                     

  **HCRIT CD**\  **FCRIT CD**\          **CAUSE CD**\    **FAIL                  
  \--            1R                     U - UNKNOWN      MODE**\                 
                                                         EQ - OUTPUT             
                                                         ERROR                   

  **Asmnt        **Asmnt FM**\          **FMEA CSE**\    **FMEA                  
  FMEA**\        \--                    \--              SCSE**\                 
  3.4.1.2                                                \--                     

  **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**                                                                         
  -------------- ---------------------- ---------------- ----------- ----------- ------------