# SDR USAA2009092392597

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2009
- Submitted: September 23, 2009
- Operation: Air carrier
- Aircraft: [N180US](https://openairdocs.org/aircraft/N180US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1525
- Aircraft time: 30,103 hours, 10,779 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2284
- Condition: Discharged
- Location: Cabin
- Part time: 29,057 hours, 10,456 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/USAA2009092392597

## Discrepancy

FLT 1529 - DEN - EEL - EMERGENCY EXIT TEST FAILED EMERGENCY POWER SUPPLY UNIT MID LEFT.  MAINTENANCE REMOVED AND REPLACED THE MID LEFT EMERGENCY POWER SUPPLY UNIT IAW AIRBUS MAINTENANCE MANUAL 33-51-38-400-001.

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