Boeing has admitted that it may never know what caused the battery malfunctions that resulted in all its 787 Dreamliner aircraft being grounded.
Source: http://www.bbc.co.uk/news/business-22251756#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
Boeing has admitted that it may never know what caused the battery malfunctions that resulted in all its 787 Dreamliner aircraft being grounded.
Source: http://www.bbc.co.uk/news/business-22251756#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa