# SDR AALA201911049013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2019
- Submitted: November 5, 2019
- Operation: Air carrier
- Aircraft: [N959NN](https://openairdocs.org/aircraft/N959NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33329
- Aircraft time: 16,440 hours, 6,288 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: 1817381X
- Part serial: 5927
- Condition: Faulty
- Location: Te Flap
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201911049013

## Discrepancy

AIRCRAFT WAS GROUNDED: CREW DECLARED AN EMERGENCY INTO ORD ON ACCOUNT OF FLAP DISAGREE INDICATION. MAINTENANCE TROUBLESHOT IAW FIM 27-51-00 FOR MSG 27-52259. REPLACED L FLAP POSITION TRANSMITTER IAW AMM 27-58-01. OPS CHECKS ARE NORMAL.

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