# SDR AALA202207068739

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2022
- Submitted: July 6, 2022
- Operation: Air carrier
- Aircraft: [N953AN](https://openairdocs.org/aircraft/N953AN), registered now
- Make and model: Boeing 737
- Aircraft serial: 29539
- Aircraft time: 57,903 hours, 23,994 cycles
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Actuator
- Condition: Failed
- Location: Zone 300 - Stabs
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, F
- Precautionary procedure: A, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202207068739

## Discrepancy

AIRCRAFT WAS GROUNDED: AT 16,000 FT 280 KNOTS ENGAGED AUTOPILOT YOKE MOVED BACK CAUSING MOMENTARY PITCH UP , THEN MOVED FORWARD NOTICEABLE VIBRATION AFTER LEVEL OFF. ACCOMPLISHED AMM 22-11-26-710-801 AUTOPILOT ACTUATOR TEST FAILED. AIRCRAFT DID NOT DECLARE AN EMERGENCY BUT RETURNED TO CLT. PERFORMED AUTOPILOT ELEVATOR ADJUSTMENT AND TEST PER AMM 22-11-26-820-810. OPERATIONS TEST SATISFACTORY.

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