As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT DECLARED IN-FLIGHT EMERGENCY. HEARD LOUD POP AND HAD TO MAINTAIN RIGHT AILERON TO KEEP DIRECTIONAL CONTROL. THEN GOT MAIN GEAR GREEN DOWN AND LOCKED LIGHTS. THEN PUT ALL GEAR DOWN AND LOCKED. TROUBLESHOOTING REVEALED LT MAIN GEAR ACTUATOR PISTON BROKEN FROM PISTON ROD. SUSPECT CAUSE OUT OF RIG SITUATION AFTER REMOVAL OF ACTUATOR OR DEFECT IN PART, OR ASSEMBLY OF PISTON WITH LOCKNUT OVERTORQUE.