# SDR USAA920080991

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2008
- Submitted: May 5, 2008
- Operation: Air carrier
- Aircraft: N636AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 98
- Aircraft time: 59,663 hours, 26,096 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 4118
- Condition: Failed
- Location: Cabin
- Part time: 22,594 hours, 9,163 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA920080991

## Discrepancy

FLT 610 - PHX - EEL - FWD LEFT EMERGENCY POWER SUPPLY UNIT FAILS TEST PER T/C A1C33302.  MAINTENANCE REMOVED AND REPLACED THE FWD EPSU.  OPERATIONAL CHECK WAS NORMAL.

---
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.