What was found
PILOT REPORTS RUDDER TRIM TAB BECOMES STUCK WHEN TRIMMED FULL RIGHT. (REPORTED ON RETURN FROM LOCAL AREA TRAINING FLIGHT AT 14:00). T/S RUDDER TRIM TAB ACTUATOR, FOUND PEDESTAL KNOB/INDICATOR OUT OF RIG AS WELL AS RUDDER TRIM TAB ACTUATOR/ROD ENDS, AND CABLE STOPS, CAUSING ACTUATOR TO BIND INTERNALLY AT FULL RIGHT. RIGGED TAB ACTUATOR TO CENTER POSITION, RIGGED ROD ENDS TO CENTER TAB, RESET CABLE STOPS TO ALLOW PROPER TAB TRAVEL TO BOTH SIDES, AND RECENTERED PEDESTAL KNOB/INDICATOR. ALL WORK DONE IAW BEECHCRAFT F-90 MM, CH. 27-20-00, PG. 7-9.