Service difficulty report · Battery · Boeing 7474B5

Difficulty date
October 12, 2026
Submitted
October 13, 2026
Operation
Air carrier
Aircraft
N707CK
Make and model
Boeing 7474B5
Aircraft serial
26395
Aircraft time
20,720 hours, 118,328 cycles
Part
Battery
Part number
900835A
Part serial
107063
Condition
No Test
Location
Zone 200
Part time
22,437 hours, 3,742 cycles
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 EMERGENCY DOOR BATTERY TEST FAILED. REPLACED LH EMERGENCY DOOR BATTERY PACK IAW B747-400 AMM 52-23-14. OPS CHECK GOOD. NO DEFECTS NOTED. PLACARDS REMOVED. THIS CLEARS DMI 100355921.

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