# SDR Q2SA20171219386

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2017
- Submitted: December 20, 2017
- Operation: Air carrier
- Aircraft: N774SA
- Make and model: Boeing 777FZB
- Registry model: [Boeing 777FZB](https://openairdocs.org/model/boeing-777fzb) (OpenAirDocs)
- Aircraft serial: 37986
- Aircraft time: 36,774 hours, 3,922 cycles
- Engine: Ge GE90115B
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Inoperative
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Q2SA20171219386

## Discrepancy

AIRCRAFT GROUNDED. FOUND DURING WALK AROUND EMERGENCY LIGHT ON L1 DOOR INOP. MX REPLACED EMERGENCY BULB. SYSTEM OPS CHECKED GOOD.

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