# SDR USAA2013093000037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2013
- Submitted: October 1, 2013
- Operation: Air carrier
- Aircraft: [N185UW](https://openairdocs.org/aircraft/N185UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1666
- Aircraft time: 40,347 hours, 14,763 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 4528
- Condition: Inoperative
- Location: Zone 200
- Part time: 40,358 hours, 14,766 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/USAA2013093000037

## Discrepancy

2S CHECK,  EMERGENCY POWER SUPPLY UNIT (EPSU) 15WL INOPERATIVE. REPLACED POWER SUPPLY & OPS TESTED GOOD IAW AMM 33-51-38-000-001-A.

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