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

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

+--------------+---------------+-----------+---------+------+--------+
| **MSFC       | **In-Flight   | **C       | **      | *    |        |
| Record \#**\ | Anomaly       | ontractor | JSC#**\ | *KSC |        |
| A08476       | Number**\     | Report    | \--     | #**\ |        |
|              | \--           | Number**\ |         | \--  |        |
|              |               | E-083     |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| TEMP         |               |           |         |      |        |
| MEASUREMENT  |               |           |         |      |        |
| WAS HIGH     |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **EICN#**\   | **ELEMENT**\  | **Cont    | **F     | **   |        |
| \--          | ET            | ractor**\ | SCM#**\ | FCRI |        |
|              |               | MMMSS     | \--     | T**\ |        |
|              |               |           |         | 3    |        |
+--------------+---------------+-----------+---------+------+--------+
| **HCRIT**\   | **Sys_Lvl**\  | **Misc    |         |      |        |
| \--          | N             | Codes**\  |         |      |        |
|              |               | A **(4)** |         |      |        |
|              |               | B C D E F |         |      |        |
|              |               | G H I J K |         |      |        |
|              |               | L M N O   |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| EIM          | EXTERNAL TANK | 82        | LWT-6   | UFAC |        |
|              |               | 601000000 |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | MMC  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| LRU          | N/A           | N/A       | N/A     | UFAC |        |
|              |               |           |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | N/A  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            | **NO          | *         | **SER/  | *    |        |
| *HARDWARE**\ | MENCLATURE**\ | *PART#**\ | LOT#**\ | *MAN |        |
| NCA          | TEMPERATURE   | PD74      | 1022    | UFAC |        |
|              | SENSOR        | 00095-149 |         | TURE |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | H    |        |
|              |               |           |         | YCAL |        |
+--------------+---------------+-----------+---------+------+--------+
| **Test/      | **Prevailing  | **F /     | **Fail  | **   |        |
| Operation**\ | Condtion**\   | U**\      | Mode**\ | Caus |        |
| F - FLT      | F -           | F         | EN -    | e**\ |        |
|              | FUNCTIONAL    |           | OPEN    | U -  |        |
|              |               |           |         | UNK  |        |
|              |               |           |         | NOWN |        |
+--------------+---------------+-----------+---------+------+--------+
| **System**\  | **Defect**\   | **Ma      | **Work  | **   |        |
| ELECTRICAL   | DC - BROKEN   | terial**\ | Con     | Fail |        |
|              |               | T -       | tact**\ | Dat  |        |
|              |               | S-STRT    | D.      | e**\ |        |
|              |               |           | W       | 07   |        |
|              |               |           | ESTPHAL | /09/ |        |
|              |               |           |         | 1984 |        |
+--------------+---------------+-----------+---------+------+--------+
| **Received   | **Date        | **FMEA    | **IFA:  | *    |        |
| at MSFC**\   | Isolated**\   | Ref       | Mission | *Mis |        |
| 08/01/1984   | \--           | erence**\ | P       | sion |        |
|              |               | 3.3       | hase**\ | Ela  |        |
|              |               |           | \--     | psed |        |
|              |               |           |         | Tim  |        |
|              |               |           |         | e**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| *            |               | **S       |         | **   |        |
| *Location**\ |               | ymptom**\ |         | Time |        |
| KSC          |               | ET - MEAS |         | Cycl |        |
|              |               | ANOMALY   |         | 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 |        |
| 01/03/1992   | 07/25/1985    | \--       | \--     | Code |        |
|              |               |           |         | s**\ |        |
|              |               |           |         | 0 -  |        |
|              |               |           |         | EXPL |        |
|              |               |           |         | \--  |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Assignee** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| W. COBB      | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | \--           | D. NEWMAN | J.      | ject |        |
|              |               |           | BREWER  | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Approval** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Design**\  | **Chief       | **S &     | **Pro   | *    |        |
| W. COBB      | Engineer**\   | MA**\     | ject**\ | *Pro |        |
|              | \--           | D. NEWMAN | J.      | ject |        |
|              |               |           | BREWER  | MG   |        |
|              |               |           |         | R**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **PAC        | **PAC Review  | **MSFC    | **St    | *    |        |
| Assignee**\  | Complete**\   | Closure   | atus**\ | *F/A |        |
| G. MILLER    | GM            | Date**\   | C -     | C    |        |
|              |               | 0         | CLOSED  | ompl |        |
|              |               | 8/07/1985 |         | etio |        |
|              |               |           |         | n**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    | **SEV**\      | **Program | **      | **O  |        |
| Type**\      | \--           | Name**\   | REVL**\ | PRIN |        |
| \--          |               | \--       | \--     | C**\ |        |
|              |               |           |         | \--  |        |
+--------------+---------------+-----------+---------+------+--------+
| **FUNC       | **Software    | *         |         | **SU | **So   |
| MOD**\       | E             | *Software |         | BTYP | ftware |
| \--          | ffectivity**\ | Fail      |         | E**\ | C      |
|              | \-- \-- \--   | CD**\     |         | \--  | losure |
|              | \-- \--       | \--       |         |      | CD**\  |
|              |               |           |         |      | \--    |
+--------------+---------------+-----------+---------+------+--------+
| **RES PERSON | **Approval    |           |         |      |        |
| L2**\        | Signature     |           |         |      |        |
| \--          | L3**\         |           |         |      |        |
|              | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    | **Related     |           |         |      |        |
| Document     | Document      |           |         |      |        |
| Type**\      | ID**\         |           |         |      |        |
| \--          | \--           |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Related    |               |           |         |      |        |
| Document     |               |           |         |      |        |
| Title**\     |               |           |         |      |        |
| \--          |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| Status       |               |           |         |      |        |
| Summary**    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Reliabi    |               |           |         |      |        |
| lity/Quality |               |           |         |      |        |
| Assurance    |               |           |         |      |        |
| Concerns,    |               |           |         |      |        |
| Recomm       |               |           |         |      |        |
| endations:** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Problem    |               |           |         |      |        |
| D            |               |           |         |      |        |
| escription** |               |           |         |      |        |
|              |               |           |         |      |        |
| REF: BOTH    |               |           |         |      |        |
| NOSE CONE    |               |           |         |      |        |
| PURGE TEMP   |               |           |         |      |        |
| MSRMNTS      |               |           |         |      |        |
| FAILED HIGH  |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
| 1ST          |               |           |         |      |        |
|              |               |           |         |      |        |
| LAUNCH       |               |           |         |      |        |
| ATTEMPT OF   |               |           |         |      |        |
| STS-41D      |               |           |         |      |        |
| (LWT-6)      |               |           |         |      |        |
| WHILE IN     |               |           |         |      |        |
| STABLE       |               |           |         |      |        |
| REPLENISH    |               |           |         |      |        |
| MODE. TEMP   |               |           |         |      |        |
|              |               |           |         |      |        |
| SENSORS,     |               |           |         |      |        |
| 327A9 &      |               |           |         |      |        |
| 327A10, WERE |               |           |         |      |        |
| LATER        |               |           |         |      |        |
| DETERMINED   |               |           |         |      |        |
| TO BE OPEN   |               |           |         |      |        |
| CIRCUITED    |               |           |         |      |        |
|              |               |           |         |      |        |
| WHEN TESTED  |               |           |         |      |        |
| FROM THE GSE |               |           |         |      |        |
| SIGNAL       |               |           |         |      |        |
| CONDITIONER  |               |           |         |      |        |
| CONNECTOR    |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **Contractor |               |           |         |      |        |
| In           |               |           |         |      |        |
| vestigation/ |               |           |         |      |        |
| Resolution** |               |           |         |      |        |
|              |               |           |         |      |        |
| CAUSE -      |               |           |         |      |        |
| UNDER        |               |           |         |      |        |
| IN           |               |           |         |      |        |
| VESTIGATION. |               |           |         |      |        |
| 3/6/85       |               |           |         |      |        |
| STATUSED AT  |               |           |         |      |        |
| PRB MTG      |               |           |         |      |        |
| 2-25-85 AS   |               |           |         |      |        |
|              |               |           |         |      |        |
| FOLLOWS -    |               |           |         |      |        |
| AWAITING FRF |               |           |         |      |        |
| OR TANKING   |               |           |         |      |        |
| TEST TO GET  |               |           |         |      |        |
| MORE         |               |           |         |      |        |
| ACCURATE     |               |           |         |      |        |
| ACOUSTICAL   |               |           |         |      |        |
|              |               |           |         |      |        |
| DATA TO      |               |           |         |      |        |
| PERFORM      |               |           |         |      |        |
| ANALYSIS.    |               |           |         |      |        |
| 3/13/85 ET   |               |           |         |      |        |
| CLEARANCES - |               |           |         |      |        |
| NO           |               |           |         |      |        |
| CONSTRAINTS  |               |           |         |      |        |
|              |               |           |         |      |        |
| TRANSDUCERS  |               |           |         |      |        |
| USED ONLY    |               |           |         |      |        |
| FOR GROUND   |               |           |         |      |        |
| OPERATIONS.  |               |           |         |      |        |
| NOSE CONE    |               |           |         |      |        |
| PURGE CAN BE |               |           |         |      |        |
|              |               |           |         |      |        |
| CONTROLLED   |               |           |         |      |        |
| USING HEATER |               |           |         |      |        |
| OUTLET TEMPS |               |           |         |      |        |
| AS           |               |           |         |      |        |
| PREVIOUSLY   |               |           |         |      |        |
| DONE ON      |               |           |         |      |        |
| STS-9 & 41D  |               |           |         |      |        |
|              |               |           |         |      |        |
| LAUNCH       |               |           |         |      |        |
| ATTEM        |               |           |         |      |        |
| PTS.6/3/85 - |               |           |         |      |        |
| I            |               |           |         |      |        |
| NVESTIGATION |               |           |         |      |        |
| A. THE NOSE  |               |           |         |      |        |
| CONE         |               |           |         |      |        |
| TEMPERATURE  |               |           |         |      |        |
|              |               |           |         |      |        |
| SENSORS ON   |               |           |         |      |        |
| LWT-6 WERE   |               |           |         |      |        |
| INSPECTED    |               |           |         |      |        |
| USING A      |               |           |         |      |        |
| FIBER-OPTIC  |               |           |         |      |        |
| BOROSCOPE    |               |           |         |      |        |
| INSERTED     |               |           |         |      |        |
|              |               |           |         |      |        |
| THROUGH THE  |               |           |         |      |        |
| NOSE CONE    |               |           |         |      |        |
| AERO VENT.   |               |           |         |      |        |
| THE SENSORS  |               |           |         |      |        |
| ARE          |               |           |         |      |        |
| POSITIONED   |               |           |         |      |        |
| SUCH THAT    |               |           |         |      |        |
|              |               |           |         |      |        |
| ONLY THE     |               |           |         |      |        |
| 327A10       |               |           |         |      |        |
| SENSOR COULD |               |           |         |      |        |
| BE SEEN. THE |               |           |         |      |        |
| CERAMIC TIP  |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| SENSOR WAS   |               |           |         |      |        |
|              |               |           |         |      |        |
| FOUND TO BE  |               |           |         |      |        |
| FRACTURED IN |               |           |         |      |        |
| TWO PLACES.  |               |           |         |      |        |
| A VIDEO-     |               |           |         |      |        |
| TAPE OF THE  |               |           |         |      |        |
| SENSOR WAS   |               |           |         |      |        |
|              |               |           |         |      |        |
| MADE USING   |               |           |         |      |        |
| THE          |               |           |         |      |        |
| BOROSCOPE.   |               |           |         |      |        |
| B. A REVIEW  |               |           |         |      |        |
| OF PREVIOUS  |               |           |         |      |        |
| LAUNCH DATA  |               |           |         |      |        |
| FOUND        |               |           |         |      |        |
|              |               |           |         |      |        |
| THAT A       |               |           |         |      |        |
| SIMILAR      |               |           |         |      |        |
| FAILURE OF   |               |           |         |      |        |
| BOTH NOSE    |               |           |         |      |        |
| CONE         |               |           |         |      |        |
| TEMPERATURE  |               |           |         |      |        |
| SENSORS      |               |           |         |      |        |
| OCCURRED     |               |           |         |      |        |
|              |               |           |         |      |        |
| ON LWT-4.    |               |           |         |      |        |
| EFFECTIVE    |               |           |         |      |        |
| WITH LWT-4   |               |           |         |      |        |
| AND          |               |           |         |      |        |
| SUBSEQUENT,  |               |           |         |      |        |
| THE NOSE     |               |           |         |      |        |
| CONE         |               |           |         |      |        |
| NITROGEN     |               |           |         |      |        |
|              |               |           |         |      |        |
| PURGE RATE   |               |           |         |      |        |
| WAS          |               |           |         |      |        |
| INCREASED    |               |           |         |      |        |
| FROM 11      |               |           |         |      |        |
| POUNDS PER   |               |           |         |      |        |
| MINUTE TO 14 |               |           |         |      |        |
| POUNDS PER   |               |           |         |      |        |
|              |               |           |         |      |        |
| MINUTE. NO   |               |           |         |      |        |
| INSPECTION   |               |           |         |      |        |
| OF THE       |               |           |         |      |        |
| SENSORS ON   |               |           |         |      |        |
| LWT-4 WAS    |               |           |         |      |        |
| POSSIBLE AS  |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| FAILURE      |               |           |         |      |        |
| OCCURRED     |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
| LOADING OF   |               |           |         |      |        |
| THE TANK     |               |           |         |      |        |
| PRIOR TO A   |               |           |         |      |        |
| SUCCESSFUL   |               |           |         |      |        |
|              |               |           |         |      |        |
| LAUNCH       |               |           |         |      |        |
| ATTEMPT. C.  |               |           |         |      |        |
| IN ORDER TO  |               |           |         |      |        |
| ATTEMPT TO   |               |           |         |      |        |
| DUPLICATE    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TEMPERATURE  |               |           |         |      |        |
|              |               |           |         |      |        |
| SENSOR       |               |           |         |      |        |
| FAILURE SEEN |               |           |         |      |        |
| ON LWT-6, A  |               |           |         |      |        |
| TEST WAS     |               |           |         |      |        |
| PER- FORMED  |               |           |         |      |        |
| AT WYLE      |               |           |         |      |        |
|              |               |           |         |      |        |
| LABORATORIES |               |           |         |      |        |
| IN           |               |           |         |      |        |
| HUNTSVILLE,  |               |           |         |      |        |
| ALABAMA.     |               |           |         |      |        |
| ELECTRICAL   |               |           |         |      |        |
| ENGINEERING, |               |           |         |      |        |
| DEPARTMENT   |               |           |         |      |        |
|              |               |           |         |      |        |
| 3513, AND    |               |           |         |      |        |
| DYNAMICS AND |               |           |         |      |        |
| LOAD,        |               |           |         |      |        |
| DEPARTMENT   |               |           |         |      |        |
| 3524,        |               |           |         |      |        |
| DEVELOPED AN |               |           |         |      |        |
| ACOUSTIC     |               |           |         |      |        |
|              |               |           |         |      |        |
| ENVIRONMENT  |               |           |         |      |        |
| SIMULATION   |               |           |         |      |        |
| THAT         |               |           |         |      |        |
| GENERATED IN |               |           |         |      |        |
| THE NOSE     |               |           |         |      |        |
| CONE DURING  |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| PROPELLANT   |               |           |         |      |        |
| LOADING      |               |           |         |      |        |
| CYCLE ON THE |               |           |         |      |        |
| LAUNCH PAD.  |               |           |         |      |        |
| THE TRANS-   |               |           |         |      |        |
| DUCERS       |               |           |         |      |        |
|              |               |           |         |      |        |
| FUNCTIONED   |               |           |         |      |        |
| PROPERLY     |               |           |         |      |        |
| THROUGHOUT   |               |           |         |      |        |
| THE TEST. D. |               |           |         |      |        |
| TANK MPTA    |               |           |         |      |        |
| HAS BEEN     |               |           |         |      |        |
|              |               |           |         |      |        |
| INSTRUMENTED |               |           |         |      |        |
| TO RECORD    |               |           |         |      |        |
| THE ACOUSTIC |               |           |         |      |        |
| AND          |               |           |         |      |        |
| VIBRATION    |               |           |         |      |        |
| ENVIRONMENT  |               |           |         |      |        |
| IN THE       |               |           |         |      |        |
|              |               |           |         |      |        |
| NOSE CONE.   |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
| TANKING FOR  |               |           |         |      |        |
| THE PLANNED  |               |           |         |      |        |
| CLUSTER      |               |           |         |      |        |
| FIRING TO    |               |           |         |      |        |
| CERTIFY      |               |           |         |      |        |
|              |               |           |         |      |        |
| THE SHUTTLE  |               |           |         |      |        |
| MAIN ENGINES |               |           |         |      |        |
| FOR 109      |               |           |         |      |        |
| PERCENT, THE |               |           |         |      |        |
| PREDICTED    |               |           |         |      |        |
| NOSE CONE    |               |           |         |      |        |
|              |               |           |         |      |        |
| ENVIRONMENT  |               |           |         |      |        |
| WILL BE      |               |           |         |      |        |
| VERIFIED.    |               |           |         |      |        |
| THIS WILL    |               |           |         |      |        |
| INCLUDE ALL  |               |           |         |      |        |
| PRELAUNCH    |               |           |         |      |        |
|              |               |           |         |      |        |
| CONDITIONS.  |               |           |         |      |        |
| 6/6/85 PRB   |               |           |         |      |        |
| STATUS       |               |           |         |      |        |
| 4-16-85      |               |           |         |      |        |
| MTG -        |               |           |         |      |        |
| AWAITING FRF |               |           |         |      |        |
| OR TANKING   |               |           |         |      |        |
|              |               |           |         |      |        |
| TEST TO GET  |               |           |         |      |        |
| MORE         |               |           |         |      |        |
| ACCURATE     |               |           |         |      |        |
| ACOUSTICAL   |               |           |         |      |        |
| DATA TO      |               |           |         |      |        |
| PERFORM      |               |           |         |      |        |
| ANALYSIS. NO |               |           |         |      |        |
|              |               |           |         |      |        |
| ADDITIONAL   |               |           |         |      |        |
| DATA         |               |           |         |      |        |
| AVAILABLE AT |               |           |         |      |        |
| THIS TIME.   |               |           |         |      |        |
| ECD IS NOW   |               |           |         |      |        |
| THE END OF   |               |           |         |      |        |
| JUNE         |               |           |         |      |        |
|              |               |           |         |      |        |
| 1985\.       |               |           |         |      |        |
| 6/6/85 PRB   |               |           |         |      |        |
| STATUS       |               |           |         |      |        |
| 5-16-85      |               |           |         |      |        |
| MTG -        |               |           |         |      |        |
| AWAITING MPT |               |           |         |      |        |
| AT NSTL TO   |               |           |         |      |        |
| GET DATA     |               |           |         |      |        |
|              |               |           |         |      |        |
| TO VERIFY    |               |           |         |      |        |
| ACOUSTICAL   |               |           |         |      |        |
| ENVIRONMENT. |               |           |         |      |        |
| 7/2/85       |               |           |         |      |        |
| STATUSED AT  |               |           |         |      |        |
| PRB MTG      |               |           |         |      |        |
| 6-20-85 AS   |               |           |         |      |        |
|              |               |           |         |      |        |
| FOLLOWS -    |               |           |         |      |        |
| MR. H.       |               |           |         |      |        |
| JACOB/MMC IS |               |           |         |      |        |
| TO PREPARE   |               |           |         |      |        |
| PRESENTATION |               |           |         |      |        |
| TO EXPLAIN   |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| CAUSES OF    |               |           |         |      |        |
| THE OPEN     |               |           |         |      |        |
| CIRCUITS IN  |               |           |         |      |        |
| TEMP         |               |           |         |      |        |
| TRANSDUCERS  |               |           |         |      |        |
| & PLAN OF    |               |           |         |      |        |
| ACTION FOR   |               |           |         |      |        |
|              |               |           |         |      |        |
| R/C. HE      |               |           |         |      |        |
| EXPECTS TO   |               |           |         |      |        |
| PRESENT THIS |               |           |         |      |        |
| INFO TO MR.  |               |           |         |      |        |
| NICHOLS/MSFC |               |           |         |      |        |
| UPON HIS     |               |           |         |      |        |
| VISIT        |               |           |         |      |        |
|              |               |           |         |      |        |
| TO MMC       |               |           |         |      |        |
| 6-21-85.     |               |           |         |      |        |
| ALSO NO ENG  |               |           |         |      |        |
| TEST IS      |               |           |         |      |        |
| SCHEDULED TO |               |           |         |      |        |
| GET          |               |           |         |      |        |
| ACOUSTICAL   |               |           |         |      |        |
| DATA         |               |           |         |      |        |
|              |               |           |         |      |        |
| MMC PROPOSES |               |           |         |      |        |
| CLOSING THIS |               |           |         |      |        |
| CAPS SINCE   |               |           |         |      |        |
| TRANSDUCER   |               |           |         |      |        |
| PASSED THE   |               |           |         |      |        |
| WYLE LAB     |               |           |         |      |        |
|              |               |           |         |      |        |
| TESTS. ALSO  |               |           |         |      |        |
| HAVE A       |               |           |         |      |        |
| WORKAROUND.  |               |           |         |      |        |
| MSFC CONCURS |               |           |         |      |        |
| WITH CLOSING |               |           |         |      |        |
| THIS CAPS    |               |           |         |      |        |
|              |               |           |         |      |        |
| WILL STILL   |               |           |         |      |        |
| NEED CHECK   |               |           |         |      |        |
| AT NEXT TANK |               |           |         |      |        |
| TEST AT      |               |           |         |      |        |
| NSTL.        |               |           |         |      |        |
| 7/25/85      |               |           |         |      |        |
| RESOLUTION - |               |           |         |      |        |
|              |               |           |         |      |        |
| NO C/A IS    |               |           |         |      |        |
| POSSIBLE AT  |               |           |         |      |        |
| THIS TIME.   |               |           |         |      |        |
| THE          |               |           |         |      |        |
| TRANSDUCERS  |               |           |         |      |        |
| HAVE BEEN    |               |           |         |      |        |
| SHOWN TO BE  |               |           |         |      |        |
|              |               |           |         |      |        |
| ABLE TO      |               |           |         |      |        |
| WITHSTAND    |               |           |         |      |        |
| THE NOSE     |               |           |         |      |        |
| CONE         |               |           |         |      |        |
| ENVIRONMENT  |               |           |         |      |        |
| DURING TESTS |               |           |         |      |        |
| AT WYLE LABS |               |           |         |      |        |
|              |               |           |         |      |        |
| THE FAILED   |               |           |         |      |        |
| HARDWARE ON  |               |           |         |      |        |
| LWT-6 WAS    |               |           |         |      |        |
| NOT REMOVED  |               |           |         |      |        |
| PRIOR TO FLT |               |           |         |      |        |
| &,           |               |           |         |      |        |
| THEREFORE,   |               |           |         |      |        |
|              |               |           |         |      |        |
| COULD NOT BE |               |           |         |      |        |
| ANALYZED.    |               |           |         |      |        |
| TANK MPTA    |               |           |         |      |        |
| HAS BEEN     |               |           |         |      |        |
| INSTRUMENTED |               |           |         |      |        |
| TO ENABLE    |               |           |         |      |        |
| THE          |               |           |         |      |        |
|              |               |           |         |      |        |
| NOSE CONE    |               |           |         |      |        |
| ENVIRONMENT  |               |           |         |      |        |
| TO BE        |               |           |         |      |        |
| MEASURED     |               |           |         |      |        |
| DURING THE   |               |           |         |      |        |
| NEXT TANKING |               |           |         |      |        |
| FOR AN ENG   |               |           |         |      |        |
|              |               |           |         |      |        |
| TEST RUN AT  |               |           |         |      |        |
| NSTL. SHOULD |               |           |         |      |        |
| THE MEASURED |               |           |         |      |        |
| ENVIRONMENT  |               |           |         |      |        |
| BE FOUND TO  |               |           |         |      |        |
| BE MORE      |               |           |         |      |        |
|              |               |           |         |      |        |
| SEVERE THAN  |               |           |         |      |        |
| THE CURRENT  |               |           |         |      |        |
| DESIGN       |               |           |         |      |        |
| VIBRATION    |               |           |         |      |        |
| DATA, AN     |               |           |         |      |        |
| ENGR\'G      |               |           |         |      |        |
| CHANGE       |               |           |         |      |        |
|              |               |           |         |      |        |
| PROPOSAL     |               |           |         |      |        |
| (ECP) WILL   |               |           |         |      |        |
| BE GENERATED |               |           |         |      |        |
| TO EFFECT    |               |           |         |      |        |
| THE          |               |           |         |      |        |
| NECESSARY    |               |           |         |      |        |
| DESIGN       |               |           |         |      |        |
|              |               |           |         |      |        |
| CHANGES. NO  |               |           |         |      |        |
| FURTHER RCA  |               |           |         |      |        |
| CAN BE       |               |           |         |      |        |
| ACCOMPLISHED |               |           |         |      |        |
| AT THIS      |               |           |         |      |        |
| TIME.        |               |           |         |      |        |
| RECOMMEND    |               |           |         |      |        |
|              |               |           |         |      |        |
| THAT THIS    |               |           |         |      |        |
| PROBLEM      |               |           |         |      |        |
| REPORT BE    |               |           |         |      |        |
| CLOSED       |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+
| **MSFC       |               |           |         |      |        |
| Response/C   |               |           |         |      |        |
| oncurrence** |               |           |         |      |        |
+--------------+---------------+-----------+---------+------+--------+

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

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

  --------------- ---------------------- ---------------- ----------- ----------- ------------
  **MSFC          **IFA#**\              **Contractor     **JSC#**\   **KSC#**\   **EICN#**\
  Report#**\      \--                    RPT#**\          \--         \--         \--
  A08476                                 E-083                                    

  **Asmnt         **Asmnt Part Name**\   **Asmnt                                  
  Part#**\        TEMPERATURE SENSOR     Serial/Lot#**\                           
  PD7400095-149                          1022                                     

  **HCRIT CD**\   **FCRIT CD**\          **CAUSE CD**\    **FAIL                  
  \--             3                      U - UNKNOWN      MODE**\                 
                                                          EN - OPEN               

  **Asmnt FMEA**\ **Asmnt FM**\          **FMEA CSE**\    **FMEA                  
  3.9.10.1        1                      A                SCSE**\                 
                                                          2                       

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

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

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

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

  **MAJOR DESIGN                                                                  
  CHANGES**                                                                       

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

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