What was found
DURING APPROACH ON FLIGHT 2906, RUDDER PEDALS CONTROL ALMOST COMPLETELY UNMOVABLE (FELT AS IF GUST LOCK WAS ENGAGED). FLT CONTROLS FREE AND FULL ON GROUND W/ GUST LOCK DISENGAGED YAW DAMPER AP OFF. INSPECTED RUDDER & ATTACHMENTS FOR CONDITION AND SECURITY, ALL CHECKS GOOD. MAINTENANCE COULD NOT DUPLICATE. FROM LOG PAGE 1212595, COMPLETED FUNCTIONAL AND SYSTEM SELF TEST IAW 27-21-45 AMM OF RUD LIM SYS. CHECK GOOD. INSPECTED RUDDER PEDALS, TAIL COMPARTMENT RUDDER CONTROL AND RUDDER ASSY. NO DEFECTS NOTED. COMPLETED OPERATIONAL CHECKS OF RUDDER GUST LOCK AND YAW DAMPER/AUTOPILOT CONTROL IAW SF 340 MM. ALL CHECKS GOOD AT THIS TIME. MXC NOTIFIED. REMOVED FROM DMR.