# SDR DALA1122477001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2011
- Submitted: March 28, 2011
- Operation: Air carrier
- Aircraft: [N860DA](https://openairdocs.org/aircraft/N860DA), registered now
- Make and model: Boeing 777232
- Aircraft serial: 29951
- Aircraft time: 51,660 hours, 7,345 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Cabin
- 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/DALA1122477001

## Discrepancy

DURING A MAINTENANCE VISIT, THE EMERGENCY LIGHTS AT SEATS FORWARD MOST SECTION OF TOURIST CLASS WERE FOUND TO BE INOPERATIVE.  MAINTENANCE REPLACED POWER SUPPLY M33404.  SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY WAS REPLACED.

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