# SDR DALA2014120806429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2014
- Submitted: December 8, 2014
- Operation: Air carrier
- Aircraft: [N345NW](https://openairdocs.org/aircraft/N345NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 399
- Aircraft time: 67,381 hours, 30,079 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Lights
- 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/DALA2014120806429

## Discrepancy

DURING EMERGENCY LIGHT BATTERY REPLACEMENT FOUND POWER SUPPLY NEAR OVERWING EXIT INOPERATIVE.  REPLACED POWER SUPPLY EPSU, W/O BATTERY AND FUNCTIONAL CHECK WAS NORMAL.

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