# SDR AALA202108266881

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2021
- Submitted: August 26, 2021
- Operation: Air carrier
- Aircraft: [N117UW](https://openairdocs.org/aircraft/N117UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1224
- Aircraft time: 61,711 hours, 30,237 cycles
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Computer
- Part number: 4917011
- Part serial: 49170BA08481
- Condition: Malfunctioned
- Location: Ailerons
- Part time: 38,791 hours, 17,107 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202108266881

## Discrepancy

AIRCRAFT WAS GROUNDED: RIGHT AILERON OSCILLATED UP AND DOWN IN SMOOTH FLIGHT CAUSING AIRCRAFT TO ROCK BACK AND FORTH 1 TO 2 DEGREES LEFT AND RIGHT WITH AUTOPILOT ON. OSCILLATIONS STOP WITH AUTOPILOT OFF. REPLACED SLAT FLAP CONTROL COMPUTER #2 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 27-51-34.

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