# SDR DALA1218713309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2012
- Submitted: March 27, 2012
- Operation: Air carrier
- Aircraft: [N809NW](https://openairdocs.org/aircraft/N809NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 663
- Aircraft time: 8,295 hours, 1,068 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/DALA1218713309

## Discrepancy

DURING CABIN EMERGENCY BATTERIES TEST EPSU (18WL) FAILED.  REPLACED BATTERY (18WL) OPS CHECK GOOD PER WORK CARD 3351-4002.

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