# SDR AALA201812271003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2018
- Submitted: December 27, 2018
- Operation: Air carrier
- Aircraft: [N775AN](https://openairdocs.org/aircraft/N775AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29584
- Aircraft time: 80,814 hours, 9,768 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 71701100
- 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/AALA201812271003

## Discrepancy

EMERGENCY LIGHT BATTERY IN THE MID CABIN, ABOVE THE L3 DOOR WAS INOPERATIVE.  REPLACED THE POWER SUPPLY BATTERY PACK IAW AMM 33-51-06-960-802. OPS CHECKED GOOD.

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