As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INBD MAIN WHEEL SEALS ON FLOATS LEAK EXCESSIVE AMOUNTS OF GREASE. IF GREASE IS NOT REMOVED FREQUENTLY IT CAN LEAK ON TO BRAKES CAUSING A FIRE. GREASE IS LEAKING FROM BETWEEN M/W HUB AND SEAL DUE TO A LOOSE FIT. UPON FURTHER INVESTIGATION, ALL AMPHIB FLOATS FOUND TO HAVE THIS ISSUE.