What was found
DURING OCCURRENCE THE BODY OF THE MLG ACTUATOR HAS CRACKED AT THE UPPER PORTIONOF THE GEAR CAVITY OR THE BOLT HOLES. THE ACTUATOR BODY (-10) IS CONSTRUCTED FROM ALUMINUM WHILETHE PISTON/TRUNNION (-5) AND THE PISTON ROLLER (-11) ARE STEEL. CONSIDERING THE OPERATIONAL CHARACTERSTICS OF THE SYS THERE SEEMS TO BE A TORQUE LOAD BEING APPLIED TO THE BODY DURING LANDING. AS A RESULT THE ACTUATOR BODY IS CRACKING AT THE ATTACH POINT BOLT HOLES.