As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RUDDER LOWER TORQUE TUBE HAS MOTION IN RELATION TO END FITTING. HOLES IN TORQUE TUBE ELONGATED. AD 92-08-04 PREVIOUSLY C/W BY INSPECTION, HOWEVER, FIX AS CALLED OUT IN AD NOTE DOES NOT CURE PROBLEM. SUBMITTER STATED WALL THICKNESS OF RUDDER TORQUE TUBE IS INSUFFICIENT TO SUPPORT TORQUE LOADS. RECURRING PROBLEM EVEN AFTER 'AD' COMPLIANCE. SUGGEST MANUFACTURER BUILD TORQUE TUBE TWICE AS THICK.