# SDR USAA2011053100009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2011
- Submitted: June 1, 2011
- Operation: Air carrier
- Aircraft: [N112US](https://openairdocs.org/aircraft/N112US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1134
- Aircraft time: 31,721 hours, 18,983 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32145410
- Part serial: 2288
- Condition: Defective
- Location: Cabin
- Part time: 31,722 hours, 18,983 cycles
- Stage of operation: TX
- 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/USAA2011053100009

## Discrepancy

LAS - ODOR - ON GATE ARRIVAL AFTER ENGINE SHUTDOWN, NOTICED STRONG CHEMICAL ODOR IN COCKPIT AND FORWARD LAV - NOT PRESENT IN CABIN.  MAINTENANCE FOUND FORWARD LT EMERGENCY POWER SUPPLY UNIT FAULTING.  REMOVED AND REPLACED EPSU IAW AIRBUS MAINTENANCE MANUAL 33-51-38.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.