Aviation giant Boeing is already estimating a $US1 billion increase in costs related to its troubled 737 Max and has pulled its forecast of 2019 earnings because of uncertainty surrounding the jetliner, which remains grounded after two crashes that killed 346 people.
Boeing CEO Dennis Muilenburg repeated that the company is making progress on updating key flight-control software in the Max with the goal of convincing regulators to let the plane fly again. Investors and consumers have been scrutinising Boeing following two deadly Max jet crashes: Ethiopian Airlines in March and Lion Air in October.
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