# SDR DALA2019043002737

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2019
- Submitted: April 30, 2019
- Operation: Air carrier
- Aircraft: [N825NW](https://openairdocs.org/aircraft/N825NW), registered now
- Make and model: Airbus A330-302
- Registry model: [Airbus A330-302](https://openairdocs.org/model/airbus-a330-302) (OpenAirDocs)
- Aircraft serial: 1679
- Aircraft time: 16,632 hours, 2,097 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- 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/DALA2019043002737

## Discrepancy

DURING EPCU TEST FAULTS EPSU 14WL AT DOOR 2. REPLACED EPSU AND BATTERY. LP 5438438

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