# SDR DALA1142623355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2011
- Submitted: July 6, 2011
- Operation: Air carrier
- Aircraft: [N855NW](https://openairdocs.org/aircraft/N855NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 621
- Aircraft time: 5,112 hours, 668 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Discharged
- 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/DALA1142623355

## Discrepancy

BATTERY EPSU (12WL) DOOR 1 FAILED SYSTEM CHECK.  MAINTENANCE REPLACED THE BATTERY AND TESTS OK.

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