# SDR AALA20120103LAX01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2012
- Submitted: January 16, 2012
- Operation: Air carrier
- Aircraft: [N931AN](https://openairdocs.org/aircraft/N931AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30079
- Aircraft time: 36,091 hours, 14,718 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Position Sensor
- Condition: Defective
- Location: Stabilizer
- Stage of operation: DE
- How discovered: O
- Nature of condition: F
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20120103LAX01

## Discrepancy

LAX - CREW REPORTED DURING DESCENT THE STAB-OUT-OF-TRIM LIGHT STAYED ON LONGER THAN USUAL, THEN WENT OUT.  APPROX 5 TO 7 MINUTES LATER IT CAME ON AGAIN, THE AUTOPILOT WAS TURNED OFF AND THE NOSE PITCHED UP.  EMERGENCY DECLARED FLIGHT LANDED LAX WITHOUT INCIDENT.  REPLACED NUMBER 2 STAB POSITION SENSOR.  SYSTEM GROUND CHECK NORMAL OPERATION.

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