# SDR AALA202404128976

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2024
- Submitted: April 12, 2024
- Operation: Air carrier
- Aircraft: [N821NN](https://openairdocs.org/aircraft/N821NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30912
- Aircraft time: 42,889 hours, 17,924 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: 18173812
- Part serial: 1896
- Condition: Faulty
- Location: Te Flaps
- Part time: 43,417 hours, 18,048 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202404128976

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: FLAPS DID NOT EXTEND, NO FLAP MOVEMENT, NO FLAP INDICATION; AIRCRAFT LANDED SAFELY AT AUS.  REPLACED RIGHT HAND FLAP POSITION TRANSMITTER. PER AMM 27-58-01-400-801**(CLOSED).

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