As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING, PILOT STATED ON ROLL-OUT THE NLG BEGAN TO SHIMMY. STOPPED THE AIRCRAFT AND STARTED TO SHUT DOWN ENGINE. THE NOSE WHEEL COLLAPSED FORWARD WITH PROPELLER STRIKING THE NLG TIRE AND RIM. INVESTIGATION REVEALED THE RETRACT LUG ON NLG ASSY HAD BROKEN.