Boeing has been grappling with a crisis that has undermined its reputation following the Jan. 5 mid-air panel blowout on a 737 MAX single-aisle plane. It has undergone a management shakeup, U.S. regulators have put curbs on its production, and deliveries fell by half in March.
Whistleblower accuses Boeing of 'criminal coverup'
STORY: "The NTSB chair reiterated to Congress last week that Boeing has said there are no records documenting the removal of the Alaska Airlines door. I'm not going to sugarcoat this. This is a criminal cover up," Pierson said.