# SDR IPXA3B79781

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2013
- Submitted: August 14, 2013
- Operation: Air carrier
- Aircraft: [N578UP](https://openairdocs.org/aircraft/N578UP), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27154
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Condition: Inoperative
- Location: Te Flaps
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA3B79781

## Discrepancy

CREW RECEIVED FLAP DRIVE EICAS MESSAGE, EMERGENCY DECLARED.  RAN FLAPS DRIVE QRH CHECKLIST.  LANDED WITHOUT INCIDENT.  CHECKED CMC PRESENT LEG FAULTS FOUND MESSAGE 27771 AND CMC EXISTING FAULTS.  27650 RT OTBD RVDT FAIL.  R & R RT OTBD FLAP POSITION TRANSMITTER IAW AMM 27-58-01, PG BLOCK 401, REV 7702.  OPS CHECK SATISFACTORY OF RVDT IAW PG BLK 27-58-01/501.

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