# SDR USAA2010110392468

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2010
- Submitted: November 10, 2010
- Operation: Air carrier
- Aircraft: [N179UW](https://openairdocs.org/aircraft/N179UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1521
- Aircraft time: 33,157 hours, 11,950 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 3843
- Condition: Inoperative
- Location: Cabin
- Part time: 33,157 hours, 11,950 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/USAA2010110392468

## Discrepancy

FLT 1757 - LAS - EEL - L1 EMERGENCY POWER SUPPLY UNIT FAILS SELF-TEST.  MAINTENANCE REPLACED L1 EPSU IAW AIRBUS MAINTENANCE MANUAL 33-51-38.  P/N & S/N PROVIDED.

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