As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NLG COLLAPSED AT END OF RUNWAY AT APPROXIMATELY 15 KNOTS AFTER LANDING. THE PASSENGERS WERE EVACUATED VIA STAIRS. THERE WAS NO EMERGENCY AND NO PASSENGERS WERE INJURED. THE AIRCRAFT WAS TOWED TO THE HANGAR. INVESTIGATION FOUND THAT THE NLG UPPER LOCK LINK HAD FAILED.