Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
August 26, 2025
Submitted
August 29, 2025
Operation
Air carrier
Aircraft
N941WN
Make and model
Boeing 7377H4
Aircraft serial
36647
Aircraft time
51,321 hours, 31,514 cycles
Part
Battery Pack
Condition
Inoperative
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

THE EXTERIOR EMERGENCY LIGHT AT THE L2 DOOR IS INOPERATIVE. REMOVED AND REPLACED LT AFT EMERGENCY LIGHTING BATTERY PACK AND POWER SUPPLY ASSEMBLY PER M/M 33-51-06.

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