# SDR AALA201711139029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2017
- Submitted: November 16, 2017
- Operation: Air carrier
- Aircraft: [N510UW](https://openairdocs.org/aircraft/N510UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3858
- Aircraft time: 31,819 hours, 11,209 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 131679
- Condition: No Test
- Location: Emergency Lights
- Part time: 31,809 hours, 11,205 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/AALA201711139029

## Discrepancy

EMERGENCY POWER SUPPLY 13WL FAILED TO TEST. REPLACED THE EPSU IAW AMM 33-51-38.

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