# SDR FDEA202503190458

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2025
- Submitted: March 20, 2025
- Operation: Air carrier
- Aircraft: [N861FD](https://openairdocs.org/aircraft/N861FD), registered now
- Make and model: Boeing 777-FS2
- Registry model: [Boeing 777-FS2](https://openairdocs.org/model/boeing-777-fs2) (OpenAirDocs)
- Aircraft serial: 37732
- Aircraft time: 51,129 hours, 8,340 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Wire
- Condition: Damaged
- 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/FDEA202503190458

## Discrepancy

EMERGENCY LIGHT SWITCH ON OVERHEAD PANEL RED COVER  SWITCH WIRE LOOP NOT ADJUSTED PROPERLY TO ACTUATE  THE THREE POSITION SWITCH AS DESIGNED.  THE WIRE  LOOP IS STRETCHED AND MOVES OVER THE SWITCH CAUSING  BINDING.   TIGHTED EMERGENCY LIGHT SWITCH  PER AMM  30-41-02-4.PERFORMED EMERGENCY LIGHTS -  ADJUSTMENT/TEST NORMAL PER AMM33-51-00-5.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.