# SDR USAA2013082800009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2013
- Submitted: October 18, 2013
- 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: 42,279 hours, 15,423 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2285
- Condition: No Test
- Location: Emergency Lights
- Part time: 43,168 hours, 15,602 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/USAA2013082800009

## Discrepancy

MID RT EPSU FAILS LIGHT TEST.  R & R MID RT EPSU IAW AMM 33-51-38-401.

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