The material, which was purchased from a little-known Chinese company, was sold with falsified documents and used in parts that went into jets from both manufacturers.
Mike Whitaker, who heads the agency, told a Senate panel that changes were being made to the agency’s oversight of the plane manufacturer, including conducting more...
The action plan is the latest in a series of moves by the F.A.A. to push for safety improvements throughout Boeing during a tumultuous year for...