# SDR USAA2012092800008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2012
- Submitted: September 28, 2012
- Operation: Air carrier
- Aircraft: N633AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 82
- Aircraft time: 72,718 hours, 32,603 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 399
- Condition: Inoperative
- Location: Cabin
- Part time: 48,093 hours, 21,350 cycles
- 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/USAA2012092800008

## Discrepancy

FORWARD LEFT EMERGENCY LIGHT POWER SUPPLY UNIT FAILS TEST.  REMOVED AND REPLACED FORWARD LEFT EMERGENCY LIGHT POWER SUPPLY UNIT IAW AIRBUS MAINTENANCE MANUAL 33-51-38.

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