As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT MAIN LANDING GEAR WOULD NOT RETRACT. FOUND LARGE CRACK AT LEFT MAIN LANDING GEAR TORQUE TUBE. NOTHING ABNORMAL WITH GEAR RIGGING, CRACKED FROM STRESS OF CONTINUED USE. REPLACED TORQUE TUBE WITH NEW FROM FACTORY. RECHECKED LANDING GEAR RIGGING PER CESSNA MM. (X)