NEW : The breach in the aircraft 's fuselage caused a loss of cabin pressure . Southwest inspects all its 737-300 aircraft after one develops hole midflight . The airline said it would not be able to fly the plane for several days and that passengers should check with their airlines before flying. Baltimore-bound Southwest jet makes emergency landing in West Virginia . Football-sized hole in fuselage causes cabin to depressurize , oxygen masks to drop .
NEW : Southwest inspects all its 737-300 aircraft after one develops hole midflight . The airline said it would not be able to fly the plane for several days and that passengers should check with their airlines before flying. Baltimore-bound Southwest jet makes emergency landing in West Virginia . Football-sized hole in fuselage causes cabin to depressurize , oxygen masks to drop .