# SDR AALA202610027158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2026
- Submitted: October 3, 2026
- Operation: Air carrier
- Aircraft: [N914NN](https://openairdocs.org/aircraft/N914NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31161
- Aircraft time: 40,121 hours, 17,615 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Sensor
- Part number: 90004213
- Condition: Inoperative
- Location: Zone 600 Flaps
- Stage of operation: AP
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202610027158

## Discrepancy

AIRCRAFT WAS GROUNDED:  DURING FLAP EXTENSION UP TO 1 TRAILING EDGE FLAP ASSIMETRY ( INDICATION SPLIT AND STUCK) . AFTER LANDING THE INDICATION RETURNED TO UP.   REMOVED AND REPLACED O/B FLAP I/B SKEW SENSOR T00531 PER AMM 27-59-01.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
