# SDR USAA2009060891421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2009
- Submitted: June 9, 2009
- Operation: Air carrier
- Aircraft: [N172US](https://openairdocs.org/aircraft/N172US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1472
- Aircraft time: 29,247 hours, 10,391 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Condition: Odor
- Stage of operation: NR
- 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/USAA2009060891421

## Discrepancy

FLT 985 - CLT - ODOR - APU IS PUTTING OIL ODOR IN CABIN WHICH HAS BEEN REPORTED AS TOXIC.  MAINTENANCE REMOVED AND REPLACED THE APU IAW MM 49-11-11-04-000-004.

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