What was found
AIRCRAFT WAS ON APPROACH FOR LANDING. THE CONTROL TOWER REPORTED SEEING THREE LANDING GEAR IN THE DOWN POSITION. UPON TOUCHDOWN, THE LANDING GEAR COLLAPSED. THE LINK/RETRACTING MOTOR WHICH IS A 12 INCH ROD ATTACHING THE GEAR MOTOR TO THE GEAR TRAIN, FAILED UNDER COMPRESSION FORCES AND ULTIMATELY BROKE IN TWO RESULTING IN THE GEAR COLLAPSING.