# SDR CALA2025042904307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2025
- Submitted: April 29, 2025
- Operation: Air carrier
- Aircraft: [N17963](https://openairdocs.org/aircraft/N17963), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 37812
- Aircraft time: 43,560 hours, 4,095 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Spring
- Condition: Broken
- Location: Light Switch
- 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/CALA2025042904307

## Discrepancy

EMER LIGHTS GUARD SPRING BROKEN REPLACED FLIGHT DECK EMERGENCY LIGHT TOGGLE SWITCH GUARD REF IPD DMC-B787-A-23-24-04-010-941A.PARTS USED: 79-3041-3-0002, QTY :1

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