# SDR CA990203019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Servo
- Condition: Malfunctioned
- Location: Aileron
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990203019

## Discrepancy

(CAN) FLIGHT CONTROL AILERON SERVO FAULT WITH ASSOCIATED UNCOMMANDED ROLL TO ABOUT 20 DEGREES, INDICATION LEFT AILERON B SERVO IN AMBER ON ELEVATOR/AILERON COMPUTER 1.  CENTRALIZED D FAULT DISPLAY SYSTEM FAULTED B-MODE VALVE 33C23.  REPLACED LT AILERON B SERVO, OPERATION CHECKED NORMAL.

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