# SDR DALA1149783357

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2011
- Submitted: August 26, 2011
- Operation: Air carrier
- Aircraft: [N857NW](https://openairdocs.org/aircraft/N857NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 633
- Aircraft time: 29,613 hours, 4,140 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/DALA1149783357

## Discrepancy

BATTERY EPSU (11WL) DOOR 1L AND EPSU (17WL) DOOR 4L FAILED SYSTEM CHECK.  REPLACED BATTERY AND TESTS OK.

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