# SDR USAA2011111100007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2011
- Submitted: November 11, 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: 32,755 hours, 19,480 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2253
- Condition: Faulty
- Location: Cabin
- Part time: 32,749 hours, 19,476 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/USAA2011111100007

## Discrepancy

LEFT EMERGENCY POWER SUPPLY UNIT FAULT.  MAINTENANCE REMOVED & REPLACED LEFT EPSU & BATTERY IAW AIRBUS MAINTENANCE MANUAL 33-51-38.

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