Lawmakers Scrutinize Timeline for Boeing 737 MAX Software…

WASHINGTON—Congressional investigators examining the Federal Aviation Administration’s safety certification of Boeing Co.’s 737 MAX aircraft also are questioning why it has taken months to complete a safety fix initially described to pilots and airlines in November. With a Senate Commerce…

Boeing Plans Fixes to Make 737 MAX Stall-Prevention…

U.S. air-safety regulators have tentatively approved sweeping software and pilot-training changes for Boeing Co.’s grounded 737 MAX jets, aimed at fixing problems with a suspect flight-control system, according to internal government documents and people familiar…