# SDR AALA202203245665

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2022
- Submitted: March 24, 2022
- Operation: Air carrier
- Aircraft: [N781AN](https://openairdocs.org/aircraft/N781AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29586
- Aircraft time: 83,823 hours, 10,419 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Part serial: 197997
- 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/AALA202203245665

## Discrepancy

AIRCRAFT WAS GROUNDED: PASSENGER CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY BACK PER AMM 33-51-06-960-802. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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