A roof fall was found by an examiner during an idle day fire check. The fall was located at 40+60 #2 Entry of Zone SUB1 on MMU-001. The area was developed 11/29/07. The fall was 40'L X 18'W X 8'H. The area was originally suppored with 6' fully grouted resin bolts. There were no injuries involved, air flow was not disturbed and the passage of men was not affected.