# SDR AALA2020073099004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2020
- Submitted: July 30, 2020
- Operation: Air carrier
- Aircraft: [N782AN](https://openairdocs.org/aircraft/N782AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30003
- Aircraft time: 81,251 hours, 9,803 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 155763
- Condition: No Test
- 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/AALA2020073099004

## Discrepancy

AIRCRAFT WAS GROUNDED, L3 DOOR EMERGENCY BATTERY PACK M33405 FAILED TO TEST.  REPLACED EMERGENCY LIGHT BATTERY PACK AT DOOR 3L IAW 33-51-06.

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