As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER PUSHBACK FROM GATE, CREW REPORTED THAT TUG HAD DIFFICULTLY PUSHING AIRCRAFT AS IF BRAKES FROZE. MAINTENANCE FOUND FAILURE OF I/B AND O/B WHEEL BEARINGS ON NR 2 MAIN WHEEL ASSY. LT MLG SHOCK STRUT, NR 1 AND NR 2 MAIN WHEEL ASSYS, AND NR 2 BRAKE ASSY REPLACED.