# SDR FDEA201612144426

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2016
- Submitted: December 14, 2016
- Operation: Air carrier
- Aircraft: [N922FD](https://openairdocs.org/aircraft/N922FD), registered now
- Make and model: Boeing 757-23A
- Registry model: [Boeing 757-23A](https://openairdocs.org/model/boeing-757-23a) (OpenAirDocs)
- Aircraft serial: 24293
- Aircraft time: 69,859 hours, 24,869 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Module
- Condition: Defective
- Location: Cockpit
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201612144426

## Discrepancy

REPEAT WRITE UP-UNARMED LIGHT DOES NOT ILLUMINATE WHEN COCKPIT OVERHEAD EMERGENCY LIGHTS SWITCH PLACED TO OFF POSITION.  R&R BOTH OF FUSE DIODE MODULE AND LENS CAP ASSEMBLY PER STANDARD WIRING PRACTICES MANUAL 20-84-18.  OPS CHECK GOOD.  A/C OK FOR SERVICE.

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