# SDR DALA2026032301940

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2026
- Submitted: March 23, 2026
- Operation: Air carrier
- Aircraft: [N815NW](https://openairdocs.org/aircraft/N815NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0817
- Aircraft time: 83,278 hours, 10,987 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Condition: Faulted
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026032301940

## Discrepancy

EMERGENCY LIGHT WHEN ARMED LIGHT TURN ON.   REPLACED OVERHEAD EMERGENCY LIGHT SWITCH (4WL) PER AMM 33-51. OPS TEST OK. (1502392)

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