The FAA grounded the entire Boeing 737 MAX fleet, a day after the agency said the planes were safe to fly. The U.S. ban occurred as more nations suspended flights of the jets following the fatal Ethiopian Airlines crash. Photo: GettyFederal investigators and lawmakers are asking the same question about Boeing Co.’s 737 MAX jet: Did U.S. safety regulators rigorously follow longstanding engineering and design standards in approving a suspect stall-prevention feature? Officials from the Justice Department and the Transportation Department inspector general’s office are looking into how Boeing developed the aircraft, which has been involved in two fatal crashes within five months. The inspector general’s office is also scrutinizing whether the Federal Aviation...

Source: Wall Street Journal March 18, 2019 23:46 UTC