# SDR CALA2026050415921

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2026
- Submitted: May 4, 2026
- Operation: Air carrier
- Aircraft: [N16009](https://openairdocs.org/aircraft/N16009), registered now
- Make and model: Boeing 787-10
- Registry model: [Boeing 787-10](https://openairdocs.org/model/boeing-787-10) (OpenAirDocs)
- Aircraft serial: 40938
- Aircraft time: 28,294 hours, 3,836 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Condition: Pulled
- Location: Zone 200
- Component: Light
- Component part number: 0204338101
- 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/CALA2026050415921

## Discrepancy

EMERGENCY PATH LIGHT SEAT 57F HAS A BROKEN WIRE. REMOVED AND REPLACED EPL AT SEAT 57F IN REF TO CMM 25-21-40-4023.ACCOMPLISHED OPERATIONAL CHECK OF EMERGENCY LIGHTS PER B787 AMM 33-51-00-00D-320A-A, ALL LIGHTS ILLUMINATED, NO DEFECTS NOTED.PARTS USED:  78-3300-3-0098,QTY :1

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