# SDR AALA202008309005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2020
- Submitted: September 1, 2020
- Operation: Air carrier
- Aircraft: [N773AN](https://openairdocs.org/aircraft/N773AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29583
- Aircraft time: 84,616 hours, 10,578 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Part serial: 54219
- Condition: Discharged
- 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/AALA202008309005

## Discrepancy

AIRCRAFT WAS GROUNDED( SHORT TERM STORAGE): R4 DOOR EMERGENCY LIGHT POWER SUPPLY BATTERY PACK M33408 IS DISCHARGED. REMOVED AND REPLACED R4 DOOR EMERGENCY LIGHT POWER SUPPLY/BATTERY PACK.

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