# SDR AALA20161219018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2016
- Submitted: January 3, 2017
- Operation: Air carrier
- Aircraft: [N772AN](https://openairdocs.org/aircraft/N772AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29580
- Aircraft time: 72,103 hours, 9,198 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Powerpack
- Part number: D71702001
- Part serial: 12946
- Condition: Inoperative
- Location: Cabin
- Part time: 41,510 hours, 10,526 cycles
- 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/AALA20161219018

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE. DOOR R3 FORWARD EMERGENCY LIGHT POWER SUPPLY ASSEMBLY (M33404) FOUND INOPERABLE. REPLACED POWER SUPPLY PER AMM 33-51-06 AND ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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