What was found
REMOVED LEFT AND RIGHT ELEVATOR AND RUDDER CONTROL SUPPORT BELLCRANKS DUE TO WORN BELLCRANKS CAUSING PLAY IN CONTROLS. UPON REMOVAL OF THE PARTS AND A THOROUGH INSPECTION, CRACKS WERE NOTED IN THE FOUR CORNERS OF THE ATTACH POINTS, THAT ATTACH THE SUPPORTS TO THE REAR BULKHEAD. NOTE: CRACKS WERE NOT VISUAL WITH BELLCRANKS INSTALLED. SUBMITTER SUGGESTED REMOVING BELLCRANKS PERIODICALLY TO INSPECT.