AN UNINTENTIONAL ROOF FALL OCCURRED IN THE 2ND NORTH PANEL OFF 1ST EAST OFF 1ST WEST AT SPAD # 988 # 4 ENTRY #3 UNIT #2 DAVIS SEAM. THE FALL WAS APPROX. 25' X 21.5' X 6'. 54"" FULLY GROUTED BOL TS WERE USED. THE FALL HAS BEEN TIMBERED OFF ANDDANGERED OUT. IT WILL NOT BE CLEANED UP. THE UNIT HAS MOVED OUT.