# SDR USAA2008122292284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2008
- Submitted: December 22, 2008
- Operation: Air carrier
- Aircraft: [N192UW](https://openairdocs.org/aircraft/N192UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1496
- Aircraft time: 27,977 hours, 9,907 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2276
- Condition: Inoperative
- Location: Emergency Lights
- Part time: 27,965 hours, 9,903 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/USAA2008122292284

## Discrepancy

FLT 1522 DEN-CLT - EEL - DURING EMERGENCY LIGHT SYSTEM TEST, EMERGENCY POWER SUPPLY UNIT MID LEFT FAULTED.  MAINTENANCE REMOVED AND REPLACED THE EMERGENCY POWER SUPPLY UNIT MID LEFT.  OPERATIONAL CHECK GOOD.

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