Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
May 24, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N412WN
Make and model
Boeing 7377H4
Aircraft serial
29818
Aircraft time
71,604 hours, 42,512 cycles
Part
Battery Pack
Condition
Failed
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CABIN FWD GALLEY AREA; ONE EMERGENCY LIGHTING BATTERY PACK FAILED CAPACITY TEST<[01] REMOVED & REPLACED ONE EMERGENCY BATTERY PACK (M01675); AT FWD GALLEY AREA; PER AMM 33-51-06

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