As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 181 - EN ROUTE ORD-LAX, DURING TAKEOFF NR 4 TIRE TREAD SEPARATED. CONTINUED TO LAX AND LANDED WITHOUT FURTHER INCIDENT. REPLACED NR 4 TIRE. SYSTEM GROUND CHECKED NORMAL OPERATION. RIGHT MLG DOOR AND FLAP FAIRING DAMAGED BY RUBBER DEBRIS, BOTH COMPONENTS REMOVED PER CDL. (M)