THIS IS THE 3RD OCCURRENCE OVER THE LAST MONTH. DRIVING ON HWY 90 AT 65 MILES PER HOUR THE TRUCK SUDDENLY DOWNSHIFTED INTO 1ST GEAR. THE REAR TIRES LOCKED UP AND SMOKED AS I WAS THROWN FORWARD AGAINST MY SEAT BELT. I NARROWLY KEPT CONTROL OF THE VEHICLE. I SHIFTED THE TRUCK INTO NEUTRAL AND COASTED ONTO THE SHOULDER. I TURNED THE TRUCK OFF AND RESTARTED THE ENGINE. THE TRUCK OPERATED NORMALLY FOR ABOUT 50 MILES. THE SUDDEN VIOLENT DOWNSHIFT IS EXTREMELY DANGEROUS AND FRIGHTENING. FORD HAS RECALLED 2014 F150'S WITH THE SAME ISSUE. WHY HAVE THEY NOT RECALLED THE 2013'S? SOMEONE IS GOING TO GET KILLED BY THIS DEFECT. THIS IS A WIDELY REPORTED ISSUE WITH THE 2013 FORD F150. DO SOMETHING.