# SDR FDEA202002210365

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2020
- Submitted: February 21, 2020
- Operation: Air carrier
- Aircraft: [N864FD](https://openairdocs.org/aircraft/N864FD), registered now
- Make and model: Boeing 777-FS2
- Registry model: [Boeing 777-FS2](https://openairdocs.org/model/boeing-777-fs2) (OpenAirDocs)
- Aircraft serial: 37735
- Aircraft time: 31,262 hours, 5,027 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Switch
- Condition: Malfunctioned
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202002210365

## Discrepancy

DURING PREFLIGHT EMER LIGHTS EICAS REMAINED  ILLUMINATED AFTER SWITCH TO GUARDED POSITION.   CYCLED EMERGENCY LIGHTS SWITCH PER B777 FIM ATA  33-51-00-2. OK FOR SERVICE.

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