Exclusive: Boeing 737 MAX development marred by design, communications flaws - U.S. IG report

WASHINGTON/SEATTLE/CHICAGO (Reuters) - Boeing Co failed to submit certification documents to the U.S. Federal Aviation Administration (FAA) detailing changes to a key flight control system faulted in two fatal crashes, a long-awaited government report seen by Reuters has found.The flight control system, known as MCAS, was "not an area of emphasis" because Boeing presented it to the FAA as a modification of the jet's existing speed trim system, with limited range and use, according to the..