# SDR USAA2012010400020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2011
- Submitted: January 4, 2012
- Operation: Air carrier
- Aircraft: [N626AW](https://openairdocs.org/aircraft/N626AW), registered now
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 65
- Aircraft time: 71,058 hours, 31,756 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Valve
- Part number: 38763561
- Condition: Leaking
- Location: Apu
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2012010400020

## Discrepancy

A SLIGHT DIRTY SOCK SMELL WAS REPORTED ON CLIMBOUT AND AGAIN ON DESCENT.  MAINTENANCE PLACED NR 1 PACK ON MEL.  DURING TROUBLESHOOTING ON 12/31/2011, FOUND APU DE-OIL VALVE LEAKING.  REMOVED AND REPLACED VALVE.

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