# SDR SWAA2018100925770

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2018
- Submitted: October 9, 2018
- Operation: Air carrier
- Aircraft: [N923WN](https://openairdocs.org/aircraft/N923WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36627
- Aircraft time: 35,874 hours, 21,471 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Trim Motor
- Part number: 6355C000101
- Part serial: 4563
- Condition: Faulty
- Location: Horiz Stab
- Stage of operation: UK
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2018100925770

## Discrepancy

AIR TURNBACK/DECLARED EMERGENCY, STAB OUT OF TRIM LIGHT ILLUMINATED WITH AUTO PILOT ENGAGED AUTO PILOT WAS NOT TRIMMING.  R&R STAB TRIM MOTOR PER AMM.

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