# SDR AALA202201268580

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2022
- Submitted: January 26, 2022
- Operation: Air carrier
- Aircraft: [N920NN](https://openairdocs.org/aircraft/N920NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31165
- Aircraft time: 26,628 hours, 11,102 cycles
- System (JASC): [2731 · Elevator Tab Control System](https://openairdocs.org/jasc/2731)
- Part: Switch
- Condition: Faulted
- Location: Elevator Trim
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202201268580

## Discrepancy

AIRCRAFT WAS GROUNDED: ELEVATOR TRIM SWITCHES ON BOTH YOKES INOPERATIVE, MANUAL ELEVATOR TRIM UNAFFECTED; FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. ACCOMPLISHED LOGIC RESET OF STAB TRIM MOTOR IAW FIM 27-41-00, OPS CHECK GOOD.

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