As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE TOWING THE ACFT, GROUND CREW NOTICED AN ABNORMAL SOUND COMMING FROM THE LT MAIN WHEEL. UPON INSP BY MX STAFF, THE LT WHEEL WAS FOUND TO HAVE 2 OUT OF 3 WHEEL-HALF BOLTS BROKEN. BOLTS WERE SHEARED AT THE HEAD. WHEEL ASSY WAS REMOVED. GEAR LEG AND AXLE INSPECTED, NO FAULTS FOUND. WHEEL ASSY REPLACED WITH BUILT UP SERVICEABLE ASSY. RT WHEEL REMOVED AND DISASSEMBLED TO INSPECT BOLT CONDITION, NO FURTHER FAULTS FOUND.