Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
October 18, 2026
Submitted
October 27, 2026
Operation
Air carrier
Aircraft
N8553W
Make and model
Boeing 7378H4
Aircraft serial
63601
Aircraft time
29,407 hours, 14,972 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

FWD LEFT CABIN EMERGENCY LIGHT BATTERY PACK INOPERATIVE AT BS 500C. THE FWD LT CABIN EMERGENCY LIGHT BATTERY PACK WAS REMOVED AND REPLACED IAW MM 33-51-06. FWD CABIN EMERGENCY LIGHTS OPS CHECKED GOOD IAW MM 33-51-06.

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