# SDR DALA2026021000943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2026
- Submitted: February 10, 2026
- Operation: Air carrier
- Aircraft: [N510DN](https://openairdocs.org/aircraft/N510DN), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0204
- Aircraft time: 35,689 hours, 3,424 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Location: Zone 200
- 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/DALA2026021000943

## Discrepancy

FOUND L1 DOOR  EVACUATION AREA LIGHT WON'T TURN ON.  FOUND THE EVACUATION-AREA LIGHT UNIT DEFECTIVE.  REPLACED THE LIGHT UNIT & PERFORMED CHECK OK IAW AMM A350-A-52-11-73-A4001-520A-A. A/C OK FOR SVC. (LP# 8583512)

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