Do not know root cause of battery failures. Far more serious than people can appreciate. NTSB chair Deborah Hersman: “Fire was present. Signs of thermal runaway and short-circuiting. There are a number of next steps. We are early in our investigation and we have a lot of activities to undertake. ” No specific time table discussed. Dodged question about whether she would feel safe if the 787 was flying again.
New York Times: “Landing the 787 contract was a huge boost for GS Yuasa and for Japan