# SDR USAA2011050291721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2011
- Submitted: May 2, 2011
- Operation: Air carrier
- Aircraft: [N669AW](https://openairdocs.org/aircraft/N669AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1792
- Aircraft time: 33,433 hours, 12,521 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 32145410
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011050291721

## Discrepancy

MX - PHX - EEL - EMERGENCY POWER SUPPLY UNIT FAULT WHILE PERFORMING EMERGENCY EXIT LIGHT TEST.  MAINTENANCE REMOVED AND REPLACED EPSU BATTERY.

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