# SDR DALA2023011700358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2023
- Submitted: January 17, 2023
- Operation: Air carrier
- Aircraft: [N826NW](https://openairdocs.org/aircraft/N826NW), registered now
- Make and model: Airbus A330-302
- Registry model: [Airbus A330-302](https://openairdocs.org/model/airbus-a330-302) (OpenAirDocs)
- Aircraft serial: 1701
- Aircraft time: 29,788 hours, 3,825 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/DALA2023011700358

## Discrepancy

DONT PASS TEST EPSU-EMERGENCY POWER SUUPLY UNIT 14WL - UNIT FAULT- LED COMES ON DURING TEST IN PASSENGER CABIN (1 EA).   REPLACED EPSU-EMERGENCY POWER SUPPLY UNIT 16WL IN PASSENGER CABIN.

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