# SDR FDEA202201210752

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2022
- Submitted: April 1, 2022
- Operation: Air carrier
- Aircraft: [N851FD](https://openairdocs.org/aircraft/N851FD), registered now
- Make and model: Boeing 777-FS2
- Registry model: [Boeing 777-FS2](https://openairdocs.org/model/boeing-777-fs2) (OpenAirDocs)
- Aircraft serial: 37722
- Aircraft time: 49,198 hours, 7,702 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202201210752

## Discrepancy

EMERGENCY LIGHT TEST IN SUPERNUMERARY COMPARTMENT  DID NOT TEST PROPERLY. L1 DOOR LIGHTS DID NOT  ILLUMINATE.  REPLACED L1 DOOR POWER SUPPLY IAW AMM 31-51-06-2,  EMERGENCY LIGHT OPS TEST SATISFACTORY.

---
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.
