As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PLAY IN RUDDER CONTROL SYSTEM TRACED TO THE CONTROL BOLT CONNECTING THE CONTROL SPRING STRUT ASSY. TO THE PEDAL SYSTEM CONTROL TUBE. BOLT FOUND TO HAVE DEEP GROOVES-ABOUT 25 PERCENT WORN INTO THE SHANK, WHERE THE SPRING STRUT CLEVIS END CONTACTS THE BOLT. SECOND AIRCRAFT FOUND WITH SIMILAR PROBLEM.