As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT ROTATION ON AIRCRAFT TAKEOFF ROLL, CREW HEARD A BANG. LANDING GEAR WAS LEFT EXTENDED, AND A NORMAL LANDING WAS MADE. INVESTIGATION REVEALED THAT CENTER TREAD SECTION HAD SEPARATED FROM TIRE. NOSE TIRE REMAINED INFLATED. SUBMITTER STATED GOODYEAR MANUAL SPEAKS TO CAUSES OF TREAD SEPARATION.