As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE DIRECT CONTACT OF THE DIRECTIONAL GYRO WITH THE CONTROL COLUMN AS A RESULT OF THE SHOCK MOUNTED BRACKET COMING FREE FROM THE INSTRUMENT PANEL; POSSIBLY THE REASON WHY THE CONTROL YOKE WAS NOT ABLE TO MOVE BACK MORE THEN 1 INCH. THERE WAS IMPROPER HARDWARE ON THE LT MOUNT WHICH SHEARED FROM STUD AND MISSING HARDWARE ON THE RT SIDE. ALLOWING THE BRACKET TO DROP DOWN; JAMMING THE CONTROL COLUMN, FWD.