As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FORWARD NUT BROKE OFF ON THE LANDING GEAR U-BOLT WHICH CAUSED THE OUTER LANDING GEAR SUPPORT BRACKET TO CRACK. THIS IS A RENTAL AIRPLANE AND NO ONE REPORTED A HARD LANDING OR ANYTHING ELSE (BOTH SIDES BROKE; LT BOLT, LT SUPPORT. RT BOLT, RT SUPPORT.