# SDR USAA2009080391978

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2009
- Submitted: August 5, 2009
- Operation: Air carrier
- Aircraft: [N523UW](https://openairdocs.org/aircraft/N523UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3960
- Aircraft time: 281 hours, 77 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Unknown
- Condition: Odor
- Location: Apu
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009080391978

## Discrepancy

FLT 154 - PHL - ODOR - AFTER T/O SMELLED FUEL COMING THRU VENT.  SHUT DOWN APU (DID BLEEDS OFF T/O) AND SMELL WENT AWAY.  MAINTENANCE RAN APU WITH BLEED ON - NO SMELL NOTED.  NO LEAKS NOTED AND NO SUBSEQUENT EVENTS.

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