What was found
ON SHORT FINAL, FIRST OFFICER COULDN`T MOVE RUDDER PEDALS IN EITHER DIRECTION; AFTER LANDING, WITH NOSE WHEEL DOWN AND AT LOWER SPEED, BOTH CAPTAIN AND FIRST OFFICER HAD FULL RUDDER MOVEMENT. MAINTENANCE PERFORMED A VISUAL INSPECTION OF RUDDER PEDAL HARDWARE, FORWARD AND AFT RUDDER CONTROL QUADRANTS IAW BMM 27-21-51 & 27-21-61, NO DEFECTS WERE NOTED. PERFORMED CHECK OF RUDDER FEEL AND CENTERING UNIT PER BMM 27-21-81, AND PERFORMED A RUDDER POWER CONTROL UNIT FUNCTIONAL TEST PER BMM 27-21-91, BOTH CHECKS WERE GOOD. PERFORMED TEST OF FLIGHT CONTROL SHUTOFF VALVE AND RUDDER TRIM CONTROL SYSTEM PER BMM 27--09-31 & 27-21-00, BOTH TESTS WERE GOOD. REMOVED AND REPLACED AUXILIARY ACTUATOR IAW T/C R4B27001, OPERATIONAL