# SDR USAA2011120100004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2011
- Submitted: December 1, 2011
- Operation: Air carrier
- Aircraft: [N763US](https://openairdocs.org/aircraft/N763US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1360
- Aircraft time: 30,036 hours, 19,789 cycles
- System (JASC): [5280 · Landing Gear Doors](https://openairdocs.org/jasc/5280)
- Part: Hinge Fitting
- Condition: Worn
- Location: Nlg Door
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011120100004

## Discrepancy

ENGINE AND AIRFRAME VIBRATION NOTED DURING CLIMB, ENGINE NR 1 VIB N1 (1) 2.3 (2) .7.  ALL OTHER ENGINE PARAMETERS WERE MATCHED.  DURING CRUISE VIB N1(1) 2.1 (2) .7.  REPLACED LEFT AFT NOSE GEAR DOOR HINGES IAW A319 AMM 32-22-13.

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