On April 17, Capt. Tammie Jo Shults successfully landed a Southwest Airlines plane in an emergency.<br />The plane's left engine exploded mid-flight, causing a passenger window to shatter and the cabin to depressurize.<br />One passenger, Jennifer Riordan, was killed.<br />Shults gives her first interview this Friday on 20/20.<br />In a clip for the episode, Shults says her first thought during the chaos was, "Oh, here we go." <br />