Southwest Airlines Flight 812 was a Boeing 737-300 passenger jet that on April 1 , 2011 , suffered Bodily_harm rapid depressurization while cruising Self_motion at near Yuma , Arizona , leading to Causation an emergency landing at Yuma International Airport .

The depressurization was caused Causation by the structural failure of the fuselage skin , which produced Manufacturing a hole approximately long on the upper fuselage .