As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT REPORTED NOISE FROM LANDING GEAR DURING LANDING. INSPECTION REVEALED THAT BOTH RIGHT AND LEFT MAIN LANDING GEAR DOWNLOCK SUPPORT BOLTS LOOSE. SUBMITTER RECOMMENDED INSPECTION AT EACH ANNUAL AND IF BOLTS ARE FOUND LOOSE, RE-TORQUE USING LOCK-TIGHT IAW CESSNA SM.