# SDR AALA202211273175

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2022
- Submitted: November 27, 2022
- Operation: Air carrier
- Aircraft: [N908NN](https://openairdocs.org/aircraft/N908NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31157
- Aircraft time: 29,722 hours, 12,546 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Arm
- Condition: Out Of Adjust
- Location: Aileron
- Stage of operation: CL
- 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/AALA202211273175

## Discrepancy

AIRCRAFT WAS GROUNDED: ON CLIMB OUT, AUTOPILOT A AND B WOULD NOT ENGAGE. FLIGHT RETURNED TO DFW LANDING SAFELY.  REPLACED FLIGHT CONTROL COMPUTER A. REPLACED AILERON POSITION SENSOR M937.  ADJUSTED AILERON ACTUATOR INPUT ARM A . ACCOMPLISHED SATISFACTORY OPERATIONAL TESTS PER AMM 22-11-29, AMM 22-11-33, AND AMM 22-11-25.

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