# SDR DALA2024041204351

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2024
- Submitted: April 12, 2024
- Operation: Air carrier
- Aircraft: [N822NW](https://openairdocs.org/aircraft/N822NW), registered now
- Make and model: Airbus A330-302
- Registry model: [Airbus A330-302](https://openairdocs.org/model/airbus-a330-302) (OpenAirDocs)
- Aircraft serial: 1627
- Aircraft time: 38,989 hours, 4,905 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 77233800
- Part serial: 003951
- Condition: Inoperative
- Location: Emergency Lights
- Part time: 74,803 hours, 9,586 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024041204351

## Discrepancy

SHIP 3322 FOUND EPSU DR4RH (18WL) UNIT FAULT. CORRECTIVE ACTION: R/R EPSU PER A330 AMM 33-51. OPS GOOD. (0289419)

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