# SDR DALA13022533211

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2013
- Submitted: May 15, 2013
- Operation: Air carrier
- Aircraft: N311US
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 125
- Aircraft time: 67,788 hours, 29,938 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Condition: Failed
- Location: Emergency Lights
- 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/DALA13022533211

## Discrepancy

DURING NON ROUTINE CHECK, FOUND POWER SUPPLY 13WL FAILED TEST.  REMOVED EPSU 13WL IAW AMM 33-51-38-000-001-A.  MX INSTALLED SERVICEABLE EPSU AT 13WL AND FUNCTIONAL CHECK WAS NORMAL.

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