What was found
DURING 100 HOUR INSP AT 1V5, LT CONTROL COLUMN, P/N 62834-02, WAS REMOVED FOR REPLACEMENT DUE TO EXCESS PLAY. UPON REMOVAL, CONTROL COLUMN SHAFT, P/N 62716-02, WAS FOUND TO BE DRILLED (FOR AN-386-1-6A TAPER PIN) LESS THAN 0.025 INCH FROM AFT END OF SHAFT. HOLE IS SO CLOSE TO END THAT SHAFT WAS DEFORMED APPROX. .125 INCH BY TAPER PIN. FWD END OF SHAFT WAS INSERTED APPROX 0.20 INCH BEYOND THE END OF SPROCKET, P/N 62839-00, AND TAPER PIN HOLE IS APPROX. 0.35 INCH FROM FWD END OF SHAFT. REPLACEMENT UNIVERSAL, PMA, P/N CA62834-802, HAS A WITNESS HOLE TO ENSURE SHAFT IS FULLY INSERTED BEFORE DRILLING. INSPECT SHAFT TO DETERMINE AMOUNT OF PENETRATION, THROUGH SPROCKET, REPLACE SHAFT IF IT PROJECTS BEYOND SPROCKET.