# SDR USAA2011121900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2011
- Submitted: December 19, 2011
- Operation: Air carrier
- Aircraft: N278AY
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 388
- Aircraft time: 50,578 hours, 7,022 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Regulator
- Part number: 1604262
- Part serial: 829778
- Condition: Leaking
- Location: Apu
- Part time: 23,155 hours, 3,196 cycles
- Stage of operation: AP
- 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/USAA2011121900001

## Discrepancy

FLIGHT 733, LGW-CLT - MALODOROUS SMELL ON APPROACH, ZONE C & AFT GALLEY AREA.  MAINTENANCE PERFORMED CABIN AIR QUALITY JOB CARD 33L00021001.  FOUND APU LEAKING OIL INTO AIR INLET, REMOVED AND REPLACED APU OIL TEMPERATURE COOLER REGULATOR.  EXTENSIVE ENGINE RUNS & REPLACEMENT OF RECIRC FILTERS ACCOMPLISHED, NO UNUSUAL ODORS NOTED.

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