Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
March 8, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N928WN
Make and model
Boeing 7377H4
Aircraft serial
36890
Aircraft time
48,043 hours, 29,324 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

L/H AFT EMERGENCY LIGHTING BATTERY PACK FAILED CAPACITY CHECK.<[01] REMOVED AND REPLACED BATTERY PACK PER M/M 33-51-06.

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