# SDR DALA13053383358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2013
- Submitted: October 21, 2013
- Operation: Air carrier
- Aircraft: [N858NW](https://openairdocs.org/aircraft/N858NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0718
- Aircraft time: 33,411 hours, 4,493 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- 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/DALA13053383358

## Discrepancy

DURING EMERGENCY LIGHTS TEST FOR CID'S FAULT,  FOUND 19WL POWER SUPPLY FAULTED.   REPLACED POWER SUPPLY AND TESTED IAW AMM 33-55.

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