# SDR AALA202008119016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2020
- Submitted: August 11, 2020
- Operation: Air carrier
- Aircraft: [N778AN](https://openairdocs.org/aircraft/N778AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29587
- Aircraft time: 84,587 hours, 10,287 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Part serial: 102043
- Condition: Inoperative
- Location: Emergency Lights
- 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/AALA202008119016

## Discrepancy

AIRCRAFT WAS GROUNDED.  1R DOOR EMERGENCY POWER SUPPLY UNIT M33094 INOPERATIVE. REMOVED AND REPLACED DOOR 1R EMERGENCY LIGHT POWER SUPPLY M33094 IAW AMM 35-51-06-960.

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