# SDR DALA2021051702745

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2021
- Submitted: May 17, 2021
- Operation: Air carrier
- Aircraft: [N801NW](https://openairdocs.org/aircraft/N801NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0524
- Aircraft time: 75,218 hours, 9,818 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/DALA2021051702745

## Discrepancy

SHIP 3301 EPSU 11WL FAILED DURING EMERGENCY LIGHT TEST. CORRECTIVE ACTION: REMOVED & REPLACED EPSU PER A330 AMM 33-51. (7346026)

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