[etc]

var mc:MovieClip = new MyClip();
mc = null;
function clickHandler(event:MouseEvent):void {
	var lc1:LocalConnection = new LocalConnection();
	var lc2:LocalConnection = new LocalConnection();
	try {
		lc1.connect("test");
		lc2.connect("test");
	} catch (e:Error) {
		
	}
}
stage.addEventListener(MouseEvent.CLICK, clickHandler);

В клипе MyClip в первом кадре написано trace("hello"), второй кадр пустой.