# SDR DALA2017052500177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2017
- Submitted: May 26, 2017
- Operation: Air carrier
- Aircraft: [N829NW](https://openairdocs.org/aircraft/N829NW), registered now
- Make and model: Airbus A330-302
- Registry model: [Airbus A330-302](https://openairdocs.org/model/airbus-a330-302) (OpenAirDocs)
- Aircraft serial: 1721
- Aircraft time: 4,501 hours, 575 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2017052500177

## Discrepancy

DURING AMS 0591-0115 FLIGHT COMPARTMENT HFA CHECK FOUND DOOR 3L EPSU FAILED.  REPLACED 15WL EPSU BATTERY PACK.

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