# SDR DALA2017071105356

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2017
- Submitted: July 11, 2017
- Operation: Air carrier
- Aircraft: [N854NW](https://openairdocs.org/aircraft/N854NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0620
- Aircraft time: 55,259 hours, 7,125 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Condition: Inoperative
- Location: Cockpit
- 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/DALA2017071105356

## Discrepancy

EMERGENCY LIGHT SWITCH INOPERATIVE IN THE FLIGHT DECK.  REPLACED ANNUNCIATOR CONTROL UNIT.

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