# SDR CALA2026012313182

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N27901](https://openairdocs.org/aircraft/N27901), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 34821
- Aircraft time: 50,603 hours, 6,266 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Condition: Out Of Position
- 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/CALA2026012313182

## Discrepancy

EMERGENCY LIGHTS ADVISORY FLIGHT DECK EMERGENCY LIGHT SWITCH IS NOT IN THE ARMED POSITION, OR SWITCH IS IN ARMED POSITION AND FLIGHT ATTENDANT EMERGENCY L IGHT SWITCH SELECTED ON, OR THE SYSTEM CONTROLS ARE IN THE ARMED STATE AND THE 115 VAC TO AT LEAST ONE OF THE PRIME WCUS HAS BE CREW RESLOVED ISSUE WITH OVERHEAD EMER LIGNTS SWITCH. NO MAINT ACTION TAKEN.

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