# SDR CALA2025110610939

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2025
- Submitted: November 6, 2025
- Operation: Air carrier
- Aircraft: [N20904](https://openairdocs.org/aircraft/N20904), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 34824
- Aircraft time: 50,264 hours, 6,447 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light Sys
- Condition: No Discrepancy
- 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/CALA2025110610939

## Discrepancy

EMERGENCY LIGHTS BETWEEN ROW 33 AND 38 LT & RT, NOT WORKING. COMPLETED FULL TEST OF EMERGENCY LIGHT SYSTEM IAW MM DMC-B787-A-33-51-00-07A-343A-A. NO FAULTS FOUND, ALL LIGHTS OPERATING NORMALLY.

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