# SDR ASMF201801010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2017
- Submitted: January 17, 2018
- Operation: Air carrier
- Aircraft: [N377AR](https://openairdocs.org/aircraft/N377AR), registered now
- Make and model: Boeing 737-86J
- Registry model: [Boeing 737-86J](https://openairdocs.org/model/boeing-737-86j) (OpenAirDocs)
- Aircraft serial: 37753
- Aircraft time: 24,102 hours, 11,386 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: T428
- Condition: Failed
- Location: Te Flaps
- Part time: 24,102 hours, 11,386 cycles
- Stage of operation: AP
- How discovered: 9
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF201801010

## Discrepancy

CAPTAIN REPORTED THAT DURING APPROACH, TRAILING EDGE FLAP DISAGREE, SO FLIGHT CREW ACCOMPLISHED THE QRH 9.28 PROCEDURE. MAINTENANCE PERSONNEL PERFORMED BITE TO FSEU IAW FIM 27-51 TASK 836 PROCEDURE, SHOWING FAILURE CODES 27-52260;   SO THE FIM 27-51 TASK 820 AND TE FLAP SNSR INTERMITTENT FAULT SYSTEM TEST WERE PERFORMED, NO CONFIRMING THE FAILURE. AT MEX, AS A PRECAUTIONARY ACTION, THE FLAPS POSITION TRANSMITTER T428 WAS REPLACED IAW AMM 27-58-01, TESTED CORRECT.

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