# SDR UIEA2017032700413

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2017
- Submitted: March 27, 2017
- Operation: Air carrier
- Aircraft: [N499MC](https://openairdocs.org/aircraft/N499MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29260
- Aircraft time: 70,623 hours, 11,905 cycles
- System (JASC): [2830 · Fuel Dump System](https://openairdocs.org/jasc/2830)
- Part: Actuator
- Part number: MA11A1194
- Part serial: T55849
- Condition: Failed
- Location: Transfer Valve
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017032700413

## Discrepancy

STATUS MESSAGE 28649, FOR RIGHT CENTER WING JETTISON TRANSFER VALVE FAILED.  REMOVED RIGHT CENTER WING TANK JETTISON TRANSFER VALVE ACTUATOR   IAW AMM 28-31-04-004-001, REV 88.    INSTALLED A NEW JETTISON TRANSFER VALVE ACTUATOR AT RIGHT CENTER WING TANK IAW AMM 28-31-04-404-010 REV.88 STEP 3A TO STEP E(2).  PERFORM GROUND TEST FOR RT CENTER WING FUEL JETTISON TRANSFER VALVE RESULT WAS SATISFACTORY AND CONDITION CHECK NORMAL IAW AMM 28-31-04-404-010 REV 88, STEP 3E(3), AND AMM 28-31-00-715-066, REV 88.

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