What was found
DURING A ROUTINE PREFLIGHT INSPECTION, OUR BASE MECHANIC VISUALLY IDENTIFIED A LOOSE BOLT (P/N NAS624H8) ATTACHING THE MAIN LANDING GEAR INBOARD ACTUATOR SUPPORT TO THE AIRFRAME. UPON CLOSER INSPECTION, THE BOLT WAS FOUND TO BE SHEARED ABOUT 2 THREADS AWAY FROM THE SHANK OF THE BOLT. THE AIRCRAFT WAS HOISTED TO EXPAND THE INSPECTION TO INCLUDE REMOVING THE AIRFRAME CROSS BRACE (P/N 109-0320-19-3). NO ADDITIONAL DEFECTS WERE NOTED AND THE AIRCRAFT LANDING GEAR ASSEMBLIES WERE REINSTALLED IN THE AIRCRAFT USING NEW HARDWARE PER AGUSTA MM CHAPT 32-10-00.