Two Boeing 737 Max 8s crashed Lion Air flight 610 crashed on October 29, 2018 and Ethiopian Airlines flight 302 on March 10 killing 346 people .Both crashes triggered by design flaws and the malfunctioning of flight control software MCAS designed to assist pilots.

Last Friday in Oregon Boeing 737 Max 9s door blew out in midair. All these critical incidents prompted US regulator FAA to whether to strip Boeing’s own employees certify aircraft safety.