As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN INSPECTION, THE LT ELEVATOR CORNTOL TORQUE TUBE THAT ATTACHES TO IB END RIB OF THE LT ELEVATOR WAS FOUND TO HAVE PLAY BETWEEN THE ACTUATING HORN AND THE TORQUE TUBE ITSELF. THE COLLAR WITH THE FLANGE AND THE 4 MOUNTING BOLTS ATTACHING THE TORQUE TUBE TO THE END RIB WERE TIGHT, BUT THE 8 RIVETS ATTACHING THE ACTUATING HORN TO THE TUBE HAD BECOME LOOSE ALLOWING FOR POTENTIAL UNCOMMANDED MOVEMENT (FLUTTER) OF THE ELEVATOR.