What was found
BOTH PILOT'S AND COPILOT'S CONTROL COLUMN ASSY HAD EXCESSIVE PLAY. WHEN PRESSURE WAS APPLIED TO OPPOSITE COLUMN, FORWARD AND AFT OR INBOARD AND OUTBOARD, FOUND BOLTS HAD EXCESSIVE PLAY AND CLICKING NOISE WAS HEARD. (NO PUTTY WAS ON ANY BOLTS). TOTAL AIRCRAFT HOURS, 9,615.4.