A ROOF FALL WAS DISCOVERED AT APPROX. 10 AM BY THE PUMP EXAMINER, OUTBY 13 LT. 4 NORTH, #3 SEAL. DID NOT AFFECT VENTILATION. AREA WAS INTERSECTION EXAMINED WITHIN 7 DAY TIME FRAME OF WEEKLY REQUIREMENT. AREA WAS INTERSECTION OUTBY SEALED AREA. 16'X 16'X 5-6'HIGH. AREA MINED 1987, SEALS CONSTRUCTED IN AREA DURING 1993. BOLTED ORININALLY 5'BOLTS, RESIN ASSISTED. NO INJURIES.