2/26 a ground fall occurred at 23E 300 A3E. 5' bolts of ground support system came out in the fall, 8' bolts of support system were still intact. A rehab plan was developed of 12' bolts & shotcrete. Rehab was started, ground started unraveling, releasing the 8' bolts, 12' bolts held. 2/27 management inspected area & called to hotline even though conditions didn't meet criteria.