# SDR AALA202112139516

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2021
- Submitted: December 13, 2021
- Operation: Air carrier
- Aircraft: [N959AN](https://openairdocs.org/aircraft/N959AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30828
- Aircraft time: 58,890 hours, 24,799 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Actuator
- Part number: R15048
- Condition: Stiff
- Location: Aileron System
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112139516

## Discrepancy

AIRCRAFT WAS GROUNDED: ON APPROACH AILERONS STIFF TO TURN AILERONS OFFER INTERMITTENT STIFFNESS WHEN TURNING BOTH DIRECTIONS. REMOVED AND REPLACED AILERON TRIM ACTUATOR PER AMM 27-11-54.

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