# SDR AALA202011199022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2020
- Submitted: November 19, 2020
- Operation: Air carrier
- Aircraft: [N755AN](https://openairdocs.org/aircraft/N755AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30263
- Aircraft time: 75,767 hours, 9,515 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 11835
- 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/AALA202011199022

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE.  EMERGENCY LIGHT POWER SUPPLY MODULE M33405 AT DOOR 3L INOPERATIVE.  REMOVED AND REPLACED DOOR 3L EMERGENCY LIGHT POWER SUPPLY, PER AMM 31-51-06-960-803.

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