As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT LANDING GEAR COLLAPSED UPON LANDING. MINOR DAMAGE TO FLOAT KEEL AND LEFT NOSE TIRE DEFLATED. FOUND ROTATION TUBE COLLAPSED AND BENT. STOP BRACKET ROTATES PAST STOP BOLT AND GEAR UNLOCKS. AIRCRAFT HAD 2 SIMILAR OCCURRENCES. SUBMITTER STATED PART MADE OF STAINLESS MATERIAL AND SEEMS TOO SOFT.