As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) LH ELEVATOR ASSEMBLY TORQUE TUBE CRACKED LONGITUDINALLY THROUGH RIVET HOLE 60MM (2.36IN) FROM INBOARD END - CORROSION FOUND BETWEEN TUBE AND END FITTING WHICH CAUSED THE TUBE TO EXPAND AND CRACK - SUSPECT INADEQUATE TREATMENT DURING ASSEMBLY - AIRCRAFT OPERATES AS A FLOAT PLANE IN A SALT LADEN ENVIRONMENT