As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CHANGEOVER FROM FLOATS TO WHEELS A CRACK WAS FOUND ON THE TAIL WHEEL ATTACHMENT LUG. THE CRACK WAS ON THE LT FORWARD ATTACH POINT OF THE TAIL WHEEL. THIS BRACKET ALSO ATTACHES THE HORIZONTAL STABILIZER ON THE UPPER PICKUPS. BRACKET WAS REPLACED WITH A NEW UNIT FROM VIKING AIRCRAFT.