US aviation officials have ordered the immediate grounding of Boeing 737-9 Max jetliners after an Alaska Airlines plane suffered a blowout that left a gaping hole in the side of its fuselage. The required inspections will take around four to eight hours per aircraft and will affect about 171 planes worldwide.

US aviation officials have ordered the immediate grounding of Boeing 737-9 Max jetliners after an Alaska Airlines plane suffered a blowout that left a gaping hole in the side of its fuselage.