Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 8, 2026
Submitted
September 15, 2026
Operation
Air carrier
Aircraft
N498WN
Make and model
Boeing 7377H4
Aircraft serial
32480
Aircraft time
71,408 hours, 42,830 cycles
Part
Battery Pack
Condition
Burned
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

AFT GALLEY AREA EMERGENCY EXIT LIGHTS BURN AT SEVERAL PLACES, LT 2 AND RT 2 DOORS, RT OVER WING EXIT AND EXTERIOR R2 DOOR. REPLACED EMERGENCY BATTERY PACK OF THE POWER SUPPLY M1672 AT AFT GALLEY AREA IAW AMM 33-51-06-960-805. TEST IS OK SEE INDIVIDUAL SIGN OFF BELOW COMPLETED TASK SEE INDIVIDUAL SIGN OFF BELOW.

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