EE WAS EXAMINING THE 2 LEFT FEEDER SYSTEM AND DISCOVERED A ROOF FALL 2 BY SS#1794 AT 315 PM ON 4/23/03. SIZE OF ROOF FALL IS 10'HIGH X 30'LONG X 20'WIDE. ROOF FALL WILL NOT BE CLEANED UP. AREA HAS BEEN DANGERED OFF, FALL DOES NOT AFFECT VENTILATION OR TRAVEL.