# SDR USAA2010120692870

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2010
- Submitted: December 9, 2010
- Operation: Air carrier
- Aircraft: [N121UW](https://openairdocs.org/aircraft/N121UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1294
- Aircraft time: 33,344 hours, 14,557 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 3312
- Condition: Faulty
- Location: Cabin
- Part time: 23,785 hours, 12,033 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/USAA2010120692870

## Discrepancy

MX - PHL - EEL - AFT LEFT EMERGENCY EXIT POWER SUPPLY UNIT FAULT.  MAINTENANCE REMOVED AND REPLACED AFT LEFT EMERGENCY POWER SUPPLY UNIT IAW AIRBUS MAINTENANCE MANUAL 33-51-38.

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