As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAXI TO RUNWAY POSITION, TAIL WHEEL AXEL FRACTURED RESULTING IN TAIL WHEEL DEPARTING TAIL GEAR ASSEMBLY. TAXI WAS AT SLOW SPEED BUT TAIL FORK DAMAGED DURING AXEL FAILURE. TAIL WHEEL FORK AND AXEL ASSEMBLY, WERE REPLACED AND AIRCRAFT RETURNED TO SERVICE. (TC NR 20070405010)