# SDR ASAA2017042720555

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2017
- Submitted: May 1, 2017
- Operation: Air carrier
- Aircraft: [N530AS](https://openairdocs.org/aircraft/N530AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36578
- Aircraft time: 27,478 hours, 8,191 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Warning Light
- Condition: Illuminated
- Location: Stab
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017042720555

## Discrepancy

STAB OUT OF TRIM LIGHT ON IN DESCENT FL 330 DISENGAGED AP AND HAND FLEW.  ACFT GROUNDED. PERFORMED FIM 22-11 TASK 801 DFCS BITE PROCEDURE FAULT HISTORY SORTED BY FLIGHT DECK EFFECT FOUND FAULT CODE 22-11177 PRIMARY STAB TRIM ELEC ACTUATOR. PERFORMED LR TEST FOR STAB TRIM TEST PASSED STAB TRIM OPS NORMAL NO OTHER DEFECTS NOTED.

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