The unidentified male passenger was escorted by the airport police in Memphis and was detained for evaluation by the FBI and the TSA. He was not drunk or unruly but at this time no more information was revealed.
The other passengers were interviewed by the police and the plane was verified before resuming to the initial destination, Austin. A delay of two hour occurred. On board were 119 passengers and the crew.
The specialists at askthepilot.com explained that because the high interior cabin pressure a plane door can’t be never open during the flight. The emergency exits are also secured by a series of electrical and mechanical latches.