As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TAXIING FOR TAKE-OFF WHEN THE OB WHEEL OF THE LT MLG SUFFERED A STRUCTURAL FRACTURE. DURING THE TAXI, THE FLIGHT CREW HEARD A LOUD BANG FROM THE AIRCRAFT, AND DIRECTLY FOLLOWING, THE AIR TRAFFIC CONTROL RADIOED THE CREW TO ADVISE THAT THERE WERE SIGNS OF SMOKE EMANATING FROM THE LT OF THE AIRCRAFT.