# SDR AALA202508110399

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2025
- Submitted: August 11, 2025
- Operation: Air carrier
- Aircraft: [N976NN](https://openairdocs.org/aircraft/N976NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33243
- Aircraft time: 29,729 hours, 12,593 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Indicator
- Condition: False Indication
- Location: Zone 500
- Stage of operation: AP
- How discovered: V
- Nature of condition: F, S, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202508110399

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING THE APPROACH THE FLAPS STOPPED MOVING WITH THE LEFT FLAP AT ABOUT 20 AND RIGHT FLAP AT 15. NO WARNINGS AND CAUTIONS WERE PRESENT IN THE COCKPIT. AIRCRAFT COMMENCED A GO-AROUND AND LANDED SAFELY AT BOS. REMOVED AND REPLACED FLAP TRANSMITTER (AALA202508118950), PER AMM 27-58-01-400-801. ALSO, REPLACED FLAP POSITON INDICATOR (AALA202508110399), PER AMM 27-58-02-400-801 AND AMM 27-59-01-400-801. OPERATIONAL CHECK GOOD.

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