# SDR UIEA2014012100016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2014
- Submitted: January 21, 2014
- Operation: Air carrier
- Aircraft: [N475MC](https://openairdocs.org/aircraft/N475MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29252
- Aircraft time: 63,310 hours, 11,444 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: 900040817
- Part serial: 0048A
- Condition: Faulty
- Location: Te Flap
- Part time: 14,266 hours, 2,611 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2014012100016

## Discrepancy

AIR TURN BACK AT 3,000', DURING INITIAL FLAP RETRACTION, FLAPS DRIVE EICAS MESSAGE.  DUMPED FUEL TO MAX LANDING WEIGHT & NORMAL TOUCHDOWN.  REPLACED LT INBD FLAP POSITION TRANSMITTER & NBSP IAW AMM 27-58-01/401.  OPERATIONS CHECKED GOOD IAW AMM 27-58-01 501.

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