# SDR AALA201911019009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2019
- Submitted: November 5, 2019
- Operation: Air carrier
- Aircraft: [N768US](https://openairdocs.org/aircraft/N768US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1389
- Aircraft time: 50,470 hours, 32,334 cycles
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Control Servo
- Part number: 31075840
- Part serial: 5887
- Condition: Malfunctioned
- Location: Lt Elevator
- Part time: 53,983 hours, 29,683 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201911019009

## Discrepancy

AIRCRAFT IN BASE VISIT: ELEVATOR VIBRATION (BUZZ) WHEN SLIGHT PRESSURE APPLIED EITHER UPOR DOWN, FELT AT ALL ALTITUDES AND SPEEDS IN ALL CONFIGURATIONS.ALSO FELT ON GROUND IN COCKPIT. REMOVED AND REPLACE I/B ELEVEVATOR SERVO CONTROL LT IAW AMM 27-34-51-400-001-A, PERFORMED ADJUSTMENT OF THE ELEVATOR LT IAW AMM 27-34-00-820-003-B,PERFORMED OPERATIONAL TEST OF THE ELEVATOR IAW AMM 27-34-00-710-001-A TEST IS OK. AND PERFORMED I/B ELEVATOR SERVO CONTROL OSCILATION LT IAW AMM 27-34-00-200-002-A. SUPPLEMENTAL ACTION: CORRECTED FH/FC.

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