Service difficulty report · Leg Assy · Columb LC41550FG400

Difficulty date
November 16, 2019
Submitted
November 16, 2019
Operation
General aviation
Aircraft
N915ML
Make and model
Columb LC41550FG400
Aircraft serial
411024
Aircraft time
1,478 hours
Engine
Cont TSIO550C
Engine time
1,478 hours
Propeller
Hartzl HCC3YF1
Part
Leg Assy
Part number
284110035
Condition
Cracked
Location
Rt Mlg
Part time
1,478 hours
Stage of operation
IN
How discovered
V
Nature of condition
P
Precautionary procedure
K

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

What was found

DURING COMPLIANCE WITH CESSNA SB11-32-01 ON THE RIGHT MAIN GEAR LEG A 3 INCH CRACK WAS FOUND EXTENDING UP THE GEAR LEG. THE CRACK ORIGINATED OUT OF THE UPPER AXLE MOUNTING HOLE. THIS CRACK WAS COMPLETELY HIDDEN UNDER THE AXLE AS IT SLIDES OVER AND COMPLETELY SURROUNDS THE GEAR LEG. THERE IS NO INSPECTION FOR SUCH A CRACK NOR WOULD ONE BE FOUND UNLESS THIS LOWER AXLE IS REMOVED FROM THE MAIN LANDING GEAR LEG. THIS CRACK IS COMPLETELY THROUGH THE TUBING WALL THICKNESS.