# SDR AALA202005299008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2020
- Submitted: June 4, 2020
- Operation: Air carrier
- Aircraft: [N890NN](https://openairdocs.org/aircraft/N890NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31143
- Aircraft time: 25,032 hours, 10,310 cycles
- System (JASC): [2742 · Stabilizer Actuator](https://openairdocs.org/jasc/2742)
- Part: Trim Motor
- Condition: Defective
- Location: Zone 300
- Stage of operation: UK
- How discovered: O
- Nature of condition: J, F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202005299008

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DURING  ILS 35R STAB OUT OF TRIM LIGHT CAME ON JET DID NOT INTERCEPT GS AND TRIM WHEEL WAS NOT MOVING  WITH AUTOPILOT ON, DISCONNECTED AUTOPILOT AND A VERY SHARP PITCH UP FOLLOWED, BUT WAS ABLE TO TRIM WITH YOKE SWITCH, LANDED NORMALLY. REPLACED STABILIZER TRIM MOTOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 27-41-71-000-801 AND AMM 22-11-81. (CLOSED)

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