Service difficulty report · Flex Line · Boeing 7474KZF

Difficulty date
December 11, 2025
Submitted
December 12, 2025
Operation
Air carrier
Aircraft
N407KZ
Make and model
Boeing 7474KZF
Aircraft serial
36134
Aircraft time
65,579 hours, 11,641 cycles
Part
Flex Line
Part number
97086432
Condition
Cracked
Location
Zone 700
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
J, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER ROTATION, RECEIVED GEAR TILT EICAS MSG. GEAR SYNOPTIC PAGE SHOWED LEFT BODY GEAR TILT MSG. FOUND LT BODY GEAR POSITIONING ACTUATOR HYD LINE CRACKED. REPLACED THE LINE WITH TEMPORARY FLEX LINE IAW GMM 3.25.1 AND AMM 20-11-18.

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