# SDR AALA202211298452

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2022
- Submitted: November 29, 2022
- Operation: Air carrier
- Aircraft: [N790AN](https://openairdocs.org/aircraft/N790AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30251
- Aircraft time: 83,378 hours, 10,807 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202211298452

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: CEILING EMERGENCY LIGHTS BETWEEN DOOR 2L AND 3L INOPERATIVE. FAULT ISOLATED PER WDM 33-51-82. REMOVED AND REPLACED POWER SUPPLY ABOVE 3L DOOR PER AMM 33-51-06.

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