On April 1 , 2011 , less than two years later , a strikingly similar incident occurred on Southwest Airlines Flight 812 , involving another Southwest Airlines Boeing 737-3H4 . In response to the second incident , the FAA issued an Airworthiness Directive requiring more frequent inspections by all airlines of all Boeing 737 Classic aircraft
Southwest Airlines Flight 812
Southwest Airlines Flight 812
Southwest Airlines Flight 2294