Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
October 17, 2025
Submitted
October 20, 2025
Operation
Air carrier
Aircraft
N261WN
Make and model
Boeing 7377H4
Aircraft serial
32517
Aircraft time
62,677 hours, 37,554 cycles
Part
Battery Pack
Condition
No Test
Location
Zone 200
Stage of operation
IN
How discovered
C
Nature of condition
L
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 THE CAPACITY CHECK. REMOVED AND REPLACED BATTERY PACK PER M/M 33-51-06

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