# SDR USAA2011072800010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2011
- Submitted: July 28, 2011
- Operation: Air carrier
- Aircraft: [N111US](https://openairdocs.org/aircraft/N111US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1114
- Aircraft time: 32,448 hours, 19,517 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Overserviced
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: W, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011072800010

## Discrepancy

CREW REPORTED A BURNT OIL SMELL COMING FROM THE AIR CONDITIONING SYSTEM, MORE INTENSE IN FRONT PART OF CABIN AND WORSE ON THE GROUND.  MAINTENANCE FOUND APU OIL OVER-SERVICED.  DRAINED EXCESS OIL, CLEANED LOAD COMPRESSOR AND PERFORMED DECONTAMINATION OF ENVIRONMENTAL CONTROL SYSTEM.

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