grounded planes are grounded to service today following thorough inspections. yesterday a deactivated emergency cabin door which was used as a regular cabin window on the alaska airlines flight blew out while the plane was at 16000 feet shortly after takeoff forcing them to make an emergency landing. flight tracking company flight aware shows the plane took off at five oh 7:00 p.m. local time last night returned to portland, returned to the airport less than 20 minutes later touching down at 5:27 p.m. air traffic control respond to the flight crew during this emergency. the home situation we have is a pressurization issue. and wonder 77 passengers and 90. and as of right now we do not of the intentions of the aircraft request wonder 71 passengers six crewmembers were on board heading to california during the