# SDR YENA201708240690

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2017
- Submitted: August 25, 2017
- Operation: Air carrier
- Aircraft: [N580JB](https://openairdocs.org/aircraft/N580JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2136
- Aircraft time: 55,201 hours, 19,573 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32145410
- Part serial: 007093
- Condition: Failed
- Location: Emergency Lights
- Part time: 39,849 hours, 13,975 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA201708240690

## Discrepancy

LOST GROUND POWER AFTER PARKING EMERGENCY EXIT LIGHT AT MID CABIN ISLE WAS NOT WORKING WHILE ON EMERGENCY POWER. WORKS FINE WITH NORMAL POWER.  R & R THE ESPU AND EMERGENCY LIGHT BATTERY.  SHOWED EVIDENCE OF A CELL THAT HAD SHORTED AND BURNED. FAULT REMOVED IAW AMM 33-51-38.

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