As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT INBOARD WHEEL AND TIRE ASSEMBLY DEPARTED THE AIRCRAFT AFTER TAKEOFF. WHEEL BEARING HAD DISINTEGRATED. INSPECTION REVEALED NR 2 WHEEL BEARINGS SPALLED AND NR 4 WHEEL BEARINGS OVERHEATED. 71 HOURS SINCE INSPECTION AND LUBE. RECOMMEND MORE FREQUENT LUBE INTERVAL OR REDESIGN WITH LARGER BEARING.