U.S. NTSB adds expert to 787 probe, adds Energy Dept expert
Posted on February 01, 2013 at 15:06 PM EST
WASHINGTON, Feb 1 (Reuters) - The U.S. National Transportation Safety Board on Friday said it was looking closely at flight data recorded by a Boeing Co 787 Dreamliner for any information about the performance of a battery that caught fire at Boston airport on Jan. 7, and its charging system.