As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AN3-10A BOLT, HOLDING THE MAIN GEAR SPRING ATTACH BRACKET ON TO THE STRUT HOUSING, BROKE. IT CAUSED THE BRACKET TO JAM AGAINST THE GEAR FORWARD ATTACH FITTING AND WOULD NOT LET THE GEAR GO DOWN. AIRCRAFT LANDED WITH THE GEAR UNSAFE.