Governments , airlines ground their Boeing over fire risk . Action follows directive from Japan authorities to not fly plane pending investigation . `` The root cause of these failures is currently under investigation . Boeing says the company is confident that the planes are safe . The moves follow an emergency landing in Boston and fire aboard a five in U.S. .
Governments , airlines ground their Boeing over fire risk . Action follows directive from Japan authorities to not fly plane pending investigation . Boeing says the company is confident that the planes are safe . The moves follow an emergency landing in Boston and fire aboard a five in U.S. .