# SDR USAA2015012700004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2015
- Submitted: January 27, 2015
- Operation: Air carrier
- Aircraft: [N174US](https://openairdocs.org/aircraft/N174US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1492
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 6957
- Condition: Faulty
- Location: Cabin
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2015012700004

## Discrepancy

DOOR 1 LT & RT EMER EXITS LIGHTS FLASHING WITH ASSOCIATED FAULT WARNINGS ON ECAM, AFTER ENG START.  REPLACED EMER POWER SUPPLY UNIT 10WL IN FWD GALLEY.  OPERATIONS NOW GOOD IAW AMM 33-51-00.  OK FOR SERVICE.

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