# SDR CALA2026091719501

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2026
- Submitted: September 17, 2026
- Operation: Air carrier
- Aircraft: [N23983](https://openairdocs.org/aircraft/N23983), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 66140
- Aircraft time: 29,373 hours, 2,884 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Detached
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026091719501

## Discrepancy

SEAT 03F AISLE GUIDANCE EMERGENCY LIGHT FOUND DETATCHED. LIGHT MODULE REPLACED. FUNCTION TEST OF THE EMERGENCY LIGHTS ACCOMPLISHED. ALL OPS NOW OK. REF AMM DMC-B787-A-33-51-00-00D-320A-A.

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