What was found
(CAN) DURING A NORMAL AND SMOOTH TAKEOFF ROLL, CREW NOTICE A VIBRATION (120KNTS,V1=134KNTS). AT VR ROTATED INTO SMOOTH CLIMB AND REQUESTED GEAR UP WITH POSITIVE CLIMB. SHORTLY AFTERWARDS CABIN CREW CALLED TO SAY PASSENGERS REPORTED A WHEEL CAME OFF DURING TAKEOFF. AIRCRAFT COMPLETED AN UNEVENTFUL LANDING. NR 4 MAINWHEEL TIRE WAS FOUND SHREDDED WITH MAINWHEEL ASSY STILL IN PLACE. (TC NR 20070611002)