A non-injury roof fall occured during pillar recovery on the active 003MMU section, 5rt. pillar block, 100' inby S.S.# 7416, covering and entrapping the continuous mining machine. MSHA was notified and issued a 103(k) order which was modified to retrieve the mining machine. The 103(k) order was terminated at 19:21 hours to allow normal mining operations to resume.