What was found
(CAN)WHILE CYCLING AILERON CONTROLS FOR INVESTIGATION OF A HYDRAULIC LEAK, THE CAPTAINS CONTROL WHEEL WOULD NOT RETURN TO THE CENTRE POSITION. FURTHER INVESTIGATION REVEALED THE AILERON DOWN CABLE RUN #7 BROKE INSIDE THE CONTROL COLUMN. AL SO THE AILERON "UP" CABLE RUN #8 WAS FOUND CHAFED. CABLES REPLACED AND RIGGED AS PER M.M. 27-10-00. A FLEET CAMPAIGN WAS INITIATED TO INSPECT THE REMAINING DC10'S IN CANADIAN FLEET.