# SDR DALA2017052004049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2017
- Submitted: May 20, 2017
- Operation: Air carrier
- Aircraft: [N812NW](https://openairdocs.org/aircraft/N812NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0784
- Aircraft time: 48,458 hours, 6,352 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2017052004049

## Discrepancy

EMERGENCY LIGHT  BATTERY 15WL FAILED OPERATIONAL TEST, WC 0591-0115.  REPLACED DOOR L3 BATTERY 15WL.

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