A PIECE OF TRACTOR TRAILER BRAKE DRUM CAME OFF OF A TRUCK AND THROUGH MY WINDSHIELD WHILE I WAS DRIVING ON THE INTERSTATE CAUSING SEVERE ORBITAL FRACTURE AND PERMANENT EYE MUSCLE DAMAGE TO MY LEFT EYE. I HAVE DONE RESEARCH ABOUT THIS TYPE OF ACCIDENT AND IT IS NOT AS RARE AS I WAS HOPING THAT IT WAS. THERE NEEDS TO BE BETTER SAFETY INSPECTION AND REPLACEMENT PROCEDURES IN PLACE TO PREVENT THIS FROM HAPPENING IN THE FUTURE. *TR