# SDR DALA2017070705316

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2017
- Submitted: July 10, 2017
- Operation: Air carrier
- Aircraft: [N852NW](https://openairdocs.org/aircraft/N852NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0614
- Aircraft time: 54,296 hours, 7,042 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Emergency Lights
- 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/DALA2017070705316

## Discrepancy

DURING EPSU BATTERY TEST FAILED AT THE L3 AND L4 DOORS.  REPLACED EPSU BATTERY.

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