The door plug that came off an Alaska Airlines flight in Portland, Oregon, on January 5, has been found in a teacher’s backyard. This incident caused an emergency landing of the Boeing 737-9 Max plane and some passengers and a flight attendant got minor injuries, according to The Washington Post and NBC News. The incident occurred during Flight 1282 from Portland to Ontario, California. The door plug, usually sealed off, separated from the plane midair, causing a loud noise and letting in freezing winds. The cockpit door opened, hitting a bathroom door and affecting the first officer. The comm…