As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ROLLOUT, AFTER LANDING, THE LT MAIN GEAR COLLAPSED. INITIAL INSPECTION REVEALED THE LT DOWN LOCK SWITCH OUT OF RIG AND THE OVER CENTER PIVOT JOINT APPEARED TO BE BINDING DUE TO LACK OF LUBRICATION. THE AIRCRAFT HAS NOT REACHED ITS FIRST SCHEDULED MAINTENANCE EVENT. [SUP 05-21-07] MAINTENANCE DISCOVERED THE LEFT MLG DOWNLOCK SWITCH OUT OF ADJUSTMENT. THE MLG DOWNLOCK SWITCH WAS ADJUSTED.