As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON LANDING, THE NOSE LANDING GEAR COLLAPSED. INVESTIGATION DETERMINED THE ACTUATOR ROD BOLT WAS MISSING. THE CAUSE COULD BE EITHER A FAILED BOLT OR FAILED SAFETY. SUBMITTER STATED CLOSER INSPECTION OF THIS AREA COULD PREVENT THIS OCCURRENCE IN FUTURE CASES.