# SDR USAA2014030300022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2014
- Submitted: April 14, 2014
- Operation: Air carrier
- Aircraft: N550UW
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4935
- Aircraft time: 8,667 hours, 2,980 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Tube
- Condition: Leaking
- Location: Apu Oil Cooler
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2014030300022

## Discrepancy

EXTREME CABIN ODOR DURING START & CLIMB, PAX & CREW COMPLAINED OF ODOR & FELT LIGHT HEADED & NAUSEOUS.    FOUND APU TO BE SOURCE OF ODOR.    REPLACED LEAKING APU OIL COOLER TRANSFER TUBE IAW AMM 49-91-44-400-802-A.  REPLACED APU OIL LUBE MODULE IAW AMM 49-91-45.

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