# SDR AALA20110211DFW07

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2011
- Submitted: February 11, 2011
- Operation: Air carrier
- Aircraft: [N778AN](https://openairdocs.org/aircraft/N778AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29587
- Aircraft time: 48,738 hours, 6,169 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Crew Rest
- 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/AALA20110211DFW07

## Discrepancy

EMERGENCY LIGHTS ON MAIN DECK CREW REST INOPERATIVE.  REPLACED BATTERY POWER SUPPLY M33400.  OPS CHECK NORMAL.

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