At the main menu select "Bonus Features"
On the next screen select "The In-Flight Movie: The Making of Flightplan"
Press the down arrow on the remote until you get to "D - Connecting Flights: Post Production" DO NOT press select, instead...
Press the left arrow on the remote TWICE and a special icon appears to the left of all the choices, Press "OK" or select.
You will be privy to a special post-9/11 incident that happened during the filming.