What was found
SHORTLY AFTER A TAKEOFF A VERY PROMINENT GRINDING FEELING COULD BE FELT IN THE YOKE. THIS GRINDING COULD BE FELT DURING THE CLIMB AND AT INTERMEDIATE LEVEL OFF ALTITUDES. THE GRINDING DID NOT SEEM TO DISSIPATE UNTIL WE WERE ON FINAL APPROACH AND AT APPROACH SPEED. GRINDING COULD NOT BE DUPLICATED ON THE GROUND. NOTED COPILOTS CONTROL COLUMN BOOT BINDING. POSITION CLEARANCE, CHECKED GOOD MOVED ELEVATOR CONTROLS THROUGH FULL RANGE. NO DEFECTS NOTED. WORK PERFORMED REF THE MM 27-31-00.