# SDR DALA2018080104807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2018
- Submitted: August 1, 2018
- Operation: Air carrier
- Aircraft: [N855NW](https://openairdocs.org/aircraft/N855NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0621
- Aircraft time: 59,570 hours, 7,562 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Defective
- Location: Cabin
- 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/DALA2018080104807

## Discrepancy

DOOR 1L EXIT SIGN DID NOT LIGHT UP AFTER GEAR EXTENSION, ON THE GROUND, WITH EXIT LIGHT ON, IT WORKED NORMALLY. REPLACED EPSU AT DOOR 1L.

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