# SDR CALA2025091809023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2025
- Submitted: September 18, 2025
- Operation: Air carrier
- Aircraft: [N2534U](https://openairdocs.org/aircraft/N2534U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 62645
- Aircraft time: 36,374 hours, 4,012 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Part number: BR964421FS
- Condition: Inoperative
- 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/CALA2025091809023

## Discrepancy

FOUND 43D, 48G EMERGENCY LIGHT ARE INOP.  REPLACED NEW EMERGENCY LIGHT ASSEMBLY IN SEAT, CHK FUNCTION NORMAL

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