What was found
(CAN) THE ROLL FORCE MODIFICATION WAS BEING INSTALLED IN THE AIRCRAFT IAW STC SA05-49. UPON TORQUING THE PILOT`S YOKE ASSEMBLY SHAFT IAW THE INSTRUCTIONS CONTAINED IN DOCUMENT K130-102-001-012, THE FLANGE ON THE SHAFT P/N 240-3140402-1 CRACKED. THE REMAINING AIRCRAFT IN THE FLEET WERE INSPECTED FOR SIGNS OF PLAY WITH NO DEFECTS NOTED. THE AIRCRAFT ARE ALSO BEING INSPECTED FOR EXCESSIVE BREAK AWAY TORQUE OF CONTROL YOKE SHAFT NUT. ANY ADDITIONAL FINDINGS WILL BE FORWARDED UPON COMPLETION OF THE INSPECTIONS. (TC NR 20070709001)