# SDR DALA14010433251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2014
- Submitted: February 18, 2014
- Operation: Air carrier
- Aircraft: [N351NW](https://openairdocs.org/aircraft/N351NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 766
- Aircraft time: 49,650 hours, 22,382 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/DALA14010433251

## Discrepancy

DURING NON ROUTINE CHECK, EMERGENCY CHECK FAULTS EPSU UNIT EMERGENCY.  MAINTENANCE BITE TEST SHOWS UNIT FAULT, CHANGED BATTERY ON EPSU AND OPS CHECKED GOOD.

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