THE ELEVATOR STOPPED IN SHAFT #5 CLOSE TO THE BOTTOM AT 8:16AM. THE ELEVATOR WAS OPERATING AGAIN AT APPROX. 8:57AM. AN INVESTIGATION REVEALED THAT THE CAR SAFETY SWITCH WAS TRIPPED WHEN AN OLD LINE BROKE & WAS LAYING AROUND THE CAR GOVERNOR ROPE BOTTOM SHEAVE. THE OLD LINE WAS REMOVED & THE SAFETY SWITCH WAS RESET.