# SDR AALA20120510010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2012
- Submitted: May 11, 2012
- Operation: Air carrier
- Aircraft: [N792AN](https://openairdocs.org/aircraft/N792AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30253
- Aircraft time: 47,667 hours, 6,268 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Failed
- Location: Cabin
- 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/AALA20120510010

## Discrepancy

EMERGENCY POWER SUPPLY M33400 ABOVE LEFT NUMBER 3 DOOR FAILED.  REMOVED AND REPLACED EMERGENCY POWER SUPPLY M33400 ABOVE LEFT NUMBER 3 DOOR.  OPS CHECK NORMAL.

---
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.