THE EXCESSIVE TAIL ROPE MOVEMENT SWITCH SHUT THE HOIST DOWN AT 2:00AM. WHEN THE FOREMAN ARRIVED AT THE SUMP, THERE WAS A PILE OF MUCK IN THE SUMP. THE SKIP WAS PARTIALLY OFF THE GUIDE RAIL AND THE SIDE OF THE MEASURING BIN AND LOWER GATE WERE DAMAGED.PRODUCTION IN THE MINE WAS STOPPED IMMEDIATELY. REPAIRS WERE MADE.THE HOIST WAS REPAIRED TO WHERE IT COULD OPERATE AT 12 NOON.