# SDR UALA2013021200840

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2013
- Submitted: February 28, 2013
- Operation: Air carrier
- Aircraft: [N428UA](https://openairdocs.org/aircraft/N428UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 523
- Aircraft time: 60,954 hours, 22,872 cycles
- Engine: Iae V2527A5
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Servo
- Part number: 31073068
- Part serial: 2092
- Condition: Faulted
- Location: Lt Aileron
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013021200840

## Discrepancy

AILERON DAMPING TEST DOES NOT PASS TEST EFCS NR 1 & 2 IN DOWN FACTOR IN THE LEFT AILERON.  REPLACED LEFT AILERON SERVO IAW AMM.  PERFORMED OPERATIONAL & DAMPING TEST OF SERVO'S WORKS OK, ACFT RETURNED TO SERVICE.

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