THE EE WERE REMOVING OLD RAIL. THEY HAD HOOKED UP TO A SECTION OF RAIL. THE WEB SLINGS WHERE HOOKED TO THE END OF EACH RAIL AND CONNECTED TO THE CENTER OF THE LHD BUCKET. THE OPERATOR STARTED TO PULL THE SECTION OF RAIL OUT. THE LEFT WEB SLING BROKE CAUSED THE RAIL SECTION MOVE TOO THE LEFT STRIKING THE EE.