# SDR CALA2026060516853

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2026
- Submitted: June 5, 2026
- Operation: Air carrier
- Aircraft: [N27959](https://openairdocs.org/aircraft/N27959), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 36407
- Aircraft time: 50,483 hours, 4,835 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/CALA2026060516853

## Discrepancy

FOUND SEAT 54D EMERGENCY LIGHT INOPERATIVE. REPLACED SEAT 54D EMERGENCY LIGHT ASSY AS PER AMM B787-A-33-51-0 6-00A-520A-A,B787-A-33-51-06-00A-720A-A.OPERATIONAL TEST OF SEAT 54D EMERGENCY LIGHT PASSED.WORK ACCOMPLISHED BY V941780 IN SIAEC SIN HGR.

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