# SDR AALA202211275844

- 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: Sensor
- Condition: Faulted
- 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/AALA202211275844

## 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 22-11-33M AND AMM 22-11-25.

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