# SDR AALA201907159023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2019
- Submitted: July 15, 2019
- Operation: Air carrier
- Aircraft: [N771AN](https://openairdocs.org/aircraft/N771AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29579
- Aircraft time: 82,467 hours, 10,553 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Discharged
- Location: Cabin
- 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/AALA201907159023

## Discrepancy

AIRCRAFT WAS GROUNDED: EMERGENCY AISLE CEILING LIGHTS ABOVE SEATS 26J AND 29J INOPERABLE. MAINTENANCE REPLACED POWER SUPPLY BATTERY PACK PER MM 33-51-06.

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