The directive goes into effect upon publication Friday in the U.S. Federal Register . The Japanese decision followed a request from Japanese government officials . Japanese airlines , the biggest Dreamliner operators , are installing new batteries . It is unclear exactly when they will resume operation of the Boeing planes .
The Japanese decision followed a request from Japanese government officials . Japanese airlines , the biggest Dreamliner operators , are installing new batteries . It is unclear exactly when they will resume operation of the Boeing planes .