# SDR DALA1124073320

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2011
- Submitted: April 5, 2011
- Operation: Air carrier
- Aircraft: [N820NW](https://openairdocs.org/aircraft/N820NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 859
- Aircraft time: 16,224 hours, 2,194 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: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1124073320

## Discrepancy

EMERGENCY LIGHT TEST BATTERY EPSU (15WL) DOOR 3 FAILED SYSTEM CHECK.  REPLACED BATTERY AND TESTS OK.

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