What was found
DURING PRE-FLIGHT PILOT NOTICED ON RH ENGINE INERTIAL SEPARATOR DOOR WAS OUT OF POSITION. MAINTENANCE INSPECTION FOUND BOTH ACTUATING 'SHOCK LINK ASSEMBLY'S" FAILED. THESE LINKS CONNECT THE INERTIAL SEPARATOR DOOR TO THE ACTUATING TORQUE-TUBE. THE ASSEMBLY ENDS WERE STILL CONNECTED, THE CORE OF THE ASSEMBLIES INCLUDING RINGS AND SPRINGS FAILED AND TURNED INTO FOD IN THE COWLINGS. BECAUSE THE TORQUE-TUBE AND ARMS WERE STILL CONNECTED THERE WAS NO WARNING LIGHTS OR CASS MESSAGES.