# SDR AALA202305230394

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2023
- Submitted: May 23, 2023
- Operation: Air carrier
- Aircraft: [N766AN](https://openairdocs.org/aircraft/N766AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 32880
- Aircraft time: 77,350 hours, 9,773 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Zone 200 - Fuse
- 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/AALA202305230394

## Discrepancy

AIRCRAFT WAS GROUNDED: 3R DOOR EMERGENCY LIGHT INOPERATIVE. FOUND POWER SUPPLY M33401 FOR R3 DOOR ASSOCIATED LIGHTS INOPERATIVE. REPLACED POWER SUPPLY M33401.

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