Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
October 1, 2025
Submitted
October 3, 2025
Operation
Air carrier
Aircraft
N221WN
Make and model
Boeing 7377H4
Aircraft serial
34259
Aircraft time
66,516 hours, 39,497 cycles
Part
Battery Pack
Condition
Smoke
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

THERE IS SMOKE COMING FROM FWD RT EMERGENCY LIGHTING CHARGER AND BATTERY PACK. REMOVED AND REPLACED FWD R/H CHARGER AND BATTERY PACK PER M/M 33-51-06.

More about the Boeing 737-7H4