Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
February 25, 2026
Submitted
February 26, 2026
Operation
Air carrier
Aircraft
N8306H
Make and model
Boeing 7378H4
Aircraft serial
36983
Aircraft time
45,366 hours, 21,507 cycles
Part
Battery Pack
Condition
No Test
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

LEFT FWD EMERGENCY LIGHTING BATTERY PACK FAILED A CAPACITY CHECK. REMOVED AND REPLACED BATTERY PACK IAW MM 33-51-06.

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