# SDR XN0A1279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2005
- Submitted: December 5, 2005
- Operation: Air carrier
- Aircraft: [N473AS](https://openairdocs.org/aircraft/N473AS), registered now
- Make and model: Airbus A300 B4-203
- Registry model: [Airbus A300 B4-203](https://openairdocs.org/model/airbus-industrie-a300-b4-203) (OpenAirDocs)
- Aircraft serial: 203
- Aircraft time: 36,565 hours, 18,414 cycles
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Control Unit
- Condition: Failed
- Location: Yaw Damper
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/XN0A1279

## Discrepancy

NR 2 YAW DAMPER WILL NOT ENGAGE.  TRANSFERRED TO DMI LOG 5951 IAW ENA MEL REFERENCE 22-21-01 CAT-A.  REMOVED AND REPLACED YAW DAMPER ENGAGE UNIT, OPS CHECK OK IAW A300 AMM 22-11-12.  THIS CLEARS DMI 5951.  PLACARDS REMOVED.

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