Service difficulty report · Channel · Boeing 7474KZF

Difficulty date
April 10, 2026
Submitted
April 13, 2026
Operation
Air carrier
Aircraft
N407KZ
Make and model
Boeing 7474KZF
Aircraft serial
36134
Aircraft time
62,218 hours, 11,728 cycles
Part
Channel
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
E
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

CRACK FOUND ON LT OF TENSION TIE FWD CHANNEL AT FS 720. REPAIRED LT TENSION TIE AT BS 720 PER SRM 53-20-30-R2-2 REPAIR 2. NO FURTHER DEFECTS NOTED.

More about the Boeing 747-4KZF