Mid-Air Nightmare of the Day: Southwest Airlines canceled 300 flights and grounded 81 airplanes for inspection after potential "aircraft skin fatigue" caused a hole to be ripped in the fuselage of a Sacramento-bound Boeing 737 shortly after takeoff from Phoenix.

"Just unreal. All of a sudden there's like a little explosion. Sounded like an explosion at least. All of a sudden there's a sunroo