# SDR CALA2025102110356

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2025
- Submitted: October 21, 2025
- Operation: Air carrier
- Aircraft: [N27957](https://openairdocs.org/aircraft/N27957), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 36409
- Aircraft time: 46,263 hours, 4,425 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- 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/CALA2025102110356

## Discrepancy

FOUND SEAT 44D & 54D EMER LT INOP. SEAT 44D EMER LIGHT ASSY REPLACED.LIGHT CHECK SATIS.RESTORED TO ORIGINAL CONFIG. SEAT 54D EMERGENCY LIGHT ASSY REPLCED AS PER B787-A-33-51-06-00A-520A-A/720A-A.OPERATIONAL CHECK ON SEAT 54D EMERGENCY LIGHT PASSED.

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