# SDR ASAA2014120809897

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2014
- Submitted: December 10, 2014
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 24,943 hours, 7,727 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Warning Message
- Condition: False Activation
- Location: Stab Trim
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014120809897

## Discrepancy

STAB OUT OF TRIM LIGHT ILLUMINATED, CONDITION WERE LEVEL FLAP 5 AUTO PILOT A ENGAGED. RAN CHECKLIST, AFTER A/P DISCONNECTED LIGHT EXTINGUISHED AND DIDN'T ILLUMINATE AGAIN. TRIM OPERATED NORMALLY.  ACFT GROUNDED.  ACCOMPLISHED STABILIZER MOTOR TEST IAW AMM REF 22-11-81, TEST PASSED FOR BOTH A/P CHANNELS.

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