What was found
AFTER TAKEOFF, FIRST OFFICER FELT BINDING IN THE CONTROL YOKE & COULD FEEL IT IN HIS FEET. PASSING 230 KTS, BOTH YOKES VIBRATED & FELT IN THE COCKPIT. MOVED FLT CONTROLS, ELEVATOR & RUDDER CONTROL CABLE DAMPENER PULLEYS , RUN BLOCK WORN & GROOVED. INSPECTED ELEVATOR TRIM TUBS & FOUND EXCESSIVE MOVEMENT. FOUND ELEVATOR TRIM PUSH PULL ROD HARDWARE & BEARINGS WORN. R & R BEARINGS IAW 20-10-08. R & R ELEVATOR TAB BOLTS IAW MM 27-31-01. VERIFIED ELEVATOR CABLE RIGGING. CABLE TENSION 15 LBS LOW. ADJUSTED CABLE TENSION. INSTALLED NEW PULLEYS & RUB BLOCK. RIGGED ELEVATOR DAMPENER SYS ALL IAW MM 27-31-00 & 27-31-03. ALL OPS CHECKED GOOD.