battery problems News

U.S. agencies cleared Boeing Co to restart test flights of its grounded 787 Dreamliner in order to get more data on potentially faulty batteries, but they also demanded a closer look at how the batteries were approved, which may delay …

After two separate and serious battery problems aboard Boeing 787s, it wasn’t U.S. authorities who acted first to ground the plane. It was Japanese airlines. The unfolding saga of Boeing’s highest-profile plane has raised new questions about federal oversight of …