# SDR CNMA201705030001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2017
- Submitted: May 3, 2017
- Operation: Air carrier
- Aircraft: [N846AX](https://openairdocs.org/aircraft/N846AX), registered now
- Make and model: Boeing 777-2U8
- Registry model: [Boeing 777-2U8](https://openairdocs.org/model/boeing-777-2u8) (OpenAirDocs)
- Aircraft serial: 36124
- Aircraft time: 32,902 hours, 5,559 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 33857
- Condition: Failed
- 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/CNMA201705030001

## Discrepancy

DURING EMERGENCY LIGHT VERIFICATION,  FOUND THE EMERGENCY LIGHT OUT AT THE R3 DOOR.  REMOVED AND REPLACED POWER SUPPLY MODULE IAW AMM 33-51. OPS CHECKED GOOD

---
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.