As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RT INBOARD CONTROL HORN ATTACHMENT RIVETS FOUND WORKING ON ELEVATOR TORQUE TUBE ASSY. RT ELEVATOR CONTROL HORN EXHIBITED ROTATIONAL AND LATERAL MOVEMENT ON TORQUE TUBE. RIVET HOLES, CONTROL HORN AND TORQUE TUBE EXHIBITED FRETTING CORROSION. REMOVED AND REPLACED TORQUE TUBE ASSY.