As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DTW - WHILE PERFORMING MAINTENANCE, THE DE-ICING VEHICLE THAT WAS BEING UTILIZED TO GAIN ACCESS TO THE RUDDER IMPACTED THE LEFT SIDE OF THE RUDDER CAUSING MAJOR DAMAGE. THE DAMAGE TO THE RUDDER CONSISTED OF A TEAR IN THE SKIN APPROXIMATELY 2.5 FEET IN LENGTH HORIZONTALLY BY 6 INCHES WIDE. THREE RIBS WERE CONTACTED RESULTING IN MAJOR DAMAGE TO THE RIBS. (M)