As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A GENERAL VISUAL INSPECTION OF THE RUDDER SKIN AND HINGE FITTINGS, RUDDER HAD A POPPING/CLICKING SOUND FROM THE TORQUE TUBE AREA WHEN THE RUDDER IS MOVED BY HAND. FURTHER INVESTIGATION FOUND THE AFT RUDDER CABLE SECTOR INBOARD BELLCRANK ATTACHMENT DOUBLER HAS SHEARED RIVETS AT APPROXIMATELY FUSELAGE STATION 947 IN THE TAIL COMPARTMENT. CORRECTIVE ACTION: PENDING