EE WAS SUPERVISING A CREW CHANGING A RAMJACK ON SHIELD NO. 72 ON THE LONGWALL FACE. A CHAIN WAS CONNECTED BETWEEN THE SHIELD PONTOONS & THE RELAY BAR WHICH IS CONNECTED TO THE PANLINE ""DRAGGIN G"" THE SHIELD AS THE FACE ADVANCED. AFTER THE SHEARER MINED PAST THIS AREA THE PANLINE WAS PUSHED OVER CAUSING CHAIN TO TIGHTEN & BREAK. THE CHAIN THEN STRUCK EE IN THE BACK. BECAME LTA 3/1/0