# SDR USAA2011080500003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2011
- Submitted: August 8, 2011
- Operation: Air carrier
- Aircraft: N279AY
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1011
- Aircraft time: 9,119 hours, 1,171 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: 38004546WGEN
- Part serial: P1192
- Condition: Odor
- Part time: 3,053 hours, 397 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011080500003

## Discrepancy

FLIGHT 796, DESCENDING THROUGH 18,000 FT A VERY FOUL ODOR WAS DETECTED IN COCKPIT & CABIN (APPEARS TO BE COMING FROM THE AIR CONDITIONING SYSTEM).  MAINTENANCE REPLACED THE APU ASSEMBLY.

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