As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A WHEELS DOWN LANDING OF AN AMPHIBIOUS EQUIPPED AIRCRAFT, THE LANDING GEAR COLLAPSED. UPON INSPECTION, CORROSION WAS NOTED UNDER THE (ZAP STRAPS), WHICH WERE INSTALLED BY THE MANUFACTURER, ON BOTH LT AND RT NOSE GEAR ACTUATING CYLINDERS. ON THE LT CYLINDER, THE CORROSION WAS EXTENSIVE ENOUGH THAT HYDRAULIC FLUID WAS LEAKING THROUGH A PIN HOLE THAT HAD FORMED. (TC NR 20070824002)