# SDR DALA2017011100269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2017
- Submitted: January 12, 2017
- Operation: Air carrier
- Aircraft: [N310NW](https://openairdocs.org/aircraft/N310NW), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 121
- Aircraft time: 79,725 hours, 36,043 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: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2017011100269

## Discrepancy

DURING EMERGENCY LIGHT SYSTEM TEST,  FOUND RIGHT POWER SUPPLY UNIT INOPERATIVE.  REPLACED THE BATTERY PACK AND POWER SUPPLY.

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