A ROOF FALL WAS DISCOVERED IN THE #4 ENTRY ONT HE TRACK AT THE #3 DRIVE IN THE INTO THE FAR ON ONE OF THE INTAKE ENTRIES FOR THE 002 SECTION THE FALL WAS APPX 40FT LONG X 20 FT WIDE X6 FT HIGH . THE ROOF FALL WAS CLEANED TOP AND RESUPPORTED WITH 7""X9"" OVER PROBLEM.