# SDR YENA20150331070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2015
- Submitted: April 3, 2015
- Operation: Air carrier
- Aircraft: [N503JB](https://openairdocs.org/aircraft/N503JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1123
- Aircraft time: 22,407 hours, 59,851 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 4391
- Condition: Failed
- Location: Emergency Light
- Part time: 25,468 hours, 10,070 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/YENA20150331070

## Discrepancy

ON MAINTENANCE CHECK FOUND EPSU 11WL UNIT FAULTED.  EMERGENCY PATH LOW LEVEL LIGHTS INOPERATIVE EVERY OTHER SEAT.  R & R EPSU 11 WL IAW AMM 33-51-38. OPS CHECK GOOD.

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