# SDR USAA2010010690037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2010
- Submitted: January 8, 2010
- Operation: Air carrier
- Aircraft: [N171US](https://openairdocs.org/aircraft/N171US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1465
- Aircraft time: 31,625 hours, 11,238 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38007081WGEN
- Part serial: P3449
- Condition: Leaking
- Location: Apu Bay
- Part time: 1,490 hours, 536 cycles
- 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/USAA2010010690037

## Discrepancy

FLT 1711 - CLT - CABIN ODOR - OIL TYPE SMELL WAS REPORTED AFTER TAKEOFF.  DECREASED ALTITUDE BY 10,000 FT & SMELL DISSIPATED AFTER ABOUT 20 MINUTES.  SMELL RETURNED ON DESCENT.  MAINTENANCE REMOVED AND REPLACED THE APU.

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