# SDR DALA14006683239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2014
- Submitted: February 3, 2014
- Operation: Air carrier
- Aircraft: [N339NW](https://openairdocs.org/aircraft/N339NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 367
- Aircraft time: 64,758 hours, 27,921 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA14006683239

## Discrepancy

DURING INSPECTION, FOUND AFT LEFT OVERHEAD EMERGENCY POWER SUPPLY NOT TESTING.  MAINTENANCE REPLACED EPSU AND BATTERY.  FUNCTIONAL CHECKED NORMAL.

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