United States

787 probe far from complete, regulator "very concerned"


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National Transportation Safety Board Chairman Deborah A. P. Hersman (C), standing with Director of the Office of Aviation Safety John DeLisi (L) and Director Office of Research and Engineering Joseph Kolly (R), briefs reporters on the NTSB's ongoing investigative work being done on the malfunctioning JAL Boeing 787 lithium ion battery at their labs in Washington, January 24, 2013. REUTERS/Jonathan Ernst