Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
March 4, 2026
Submitted
March 9, 2026
Operation
Air carrier
Aircraft
N8309C
Make and model
Boeing 7378H4
Aircraft serial
36985
Aircraft time
45,075 hours, 21,061 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

THE AFT LEFT EMERGENCY LIGHT BATTERY PACK FAILED A CAPACITY CHECK. REMOVED & REPLACED THE BATTERY PACK IAW MM 33-51-06.

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