Watch: 'Trip from hell': On board flight during mid-air blow outThe US airline regulator has ordered the grounding of some Boeing 737 Max 9 jets after an outer section of one of the planes fell off during an Alaska Airlines flight.The Federal Aviation Administration (FAA) said the inspections will affect 171 planes.On Friday the Alaska Airlines flight had to make an emergency landing in the US state of Oregon.The plane, carrying 177 passengers and crew, landed safely in Portland.In a statement, ...