AN UNINTENTIONAL ROOF FALL WAS DISCOVERED IN THE #3 ENTRY AT #7 BREAK ON A-3 MAINS. SIZE OF FALL WAS ESTIMATED TO BE 18' W BY 18' L BY 4' H. AREA HAD BEEN SUPPORTED WITH FULLY GROUTED RESIN BO LTS. NO INJURIES, NO EQUIPMENT CAUGHT, VENTILATION WAS NOT INTERRUPTED.