# SDR AALA20110106TUL16

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2011
- Submitted: January 13, 2011
- Operation: Air carrier
- Aircraft: [N941AN](https://openairdocs.org/aircraft/N941AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29534
- Aircraft time: 31,929 hours, 13,308 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Sensor
- Part number: 90004213
- Condition: Out Of Adjust
- Location: Te Flap
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20110106TUL16

## Discrepancy

YOW - INFLIGHT MIA-YUL.  CREW REPORTED FLAP ASYMMETRY INDICATION.  EMERGENCY DECLARED FLIGHT DIVERTED YOW LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  MAINTENANCE FOUND A SPLIT IN THE FLAP INDICATION AND VERIFIED NUMBER 3 SENSOR OUT OF ADJUSTMENT.  REPLACED NUMBER THREE SKEW SENSOR.  SYSTEM GROUND CHECK NORMAL OPERATION.

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