# SDR DALA2025102207747

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2025
- Submitted: October 22, 2025
- Operation: Air carrier
- Aircraft: [N508DN](https://openairdocs.org/aircraft/N508DN), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0190
- Aircraft time: 35,243 hours, 3,349 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: No Test
- 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/DALA2025102207747

## Discrepancy

DURING PDC CK - DISPATCH MSG CABIN EMERGENCY EXIT LIGHT. PERFORMED EPSU SYSTEM TEST AND FAULTED DOOR 3L LIGHT UNIT. CONFIRMED EXTERIOR LIGHT INOP. R & R LIGHT ASSEMBLY P/N 8607-2-00 AND OPS TEST OK IAW A350 AMM 33-51. OK FOR SERVICE. (LP# 8151470)

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