Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
October 30, 2025
Submitted
November 7, 2025
Operation
Air carrier
Aircraft
N236WN
Make and model
Boeing 7377H4
Aircraft serial
34631
Aircraft time
64,050 hours, 38,395 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
V
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

ALL EMERGENCY LIGHTS RELATED TO BATTERY PACK M1675 WERE INOPERATIVE. R & R THE BATTERY PACK M1675 AND PERFORMED GOOD OPS TEST IAW AMM 33-51-06-960-805.

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