Service difficulty report · Battery Pack · Boeing 747446F

Difficulty date
June 23, 2026
Submitted
July 14, 2026
Operation
Air carrier
Aircraft
N537CA
Make and model
Boeing 747446F
Aircraft serial
33749
Aircraft time
70,060 hours, 12,410 cycles
Engine
Ge CF680C2B1F
Part
Battery Pack
Part number
20121
Part serial
59839
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

BATTERY PACK DID NOT PASS CAPACITY TEST.