article_snippet.sent: (CNN)Emergency operators get lots of crazy calls, but few start like this.
article_snippet.sent: Hello, I'm trapped in the plane and I called my job, but I'm in the plane.
article_snippet.sent: Flight 448 can you please tell somebody (to) stop it.
article_snippet.sent: The frantic 911 call came just as the Alaska Airlines flight had taken off from Seattle-Tacoma International Airport on Monday afternoon.  
article_snippet.sent: The frantic 911 call soon broke up, but Caller:   was making Caller:   known in other ways as the crew and passengers reported unusual banging from the belly of the Boeing 737.
article_snippet.sent: The pilot radioed air traffic control and said The pilot would make an emergency landing.
article_snippet.sent: " The pilot told air traffic control.
article_snippet.sent: The passengers knew something wasn't right, almost as soon as the plane took off.
article_snippet.sent: All of a sudden we heard all this pounding underneath the plane and we thought there was something wrong with the landing gear," Robert Higgins told CNN affiliate KABC.
article_snippet.sent: Not everyone heard the banging, but it was soon clear this wasn't a normal flight.
article_snippet.sent: When we landed was when all the trucks and the police and the fire trucks surrounded the plane."