Official: Battery in 787 swollen from overheating - Article Photos 1/2

Officials examine an All Nippon Airways 787 that landed at Takamatsu airport in Takamatsu, western Japan, on the day before after leaking electrolyte from a main battery located in an electrical room below the cockpit, Thursday, Jan. 17, 2013. Japan's two biggest airlines and the U.S. aviation agency grounded more than half the Boeing 787s in use around the world after the emergency landing of one of the jets exposed a battery fire risk in the technologically advanced aircraft. (AP Photo/Kyodo News) JAPAN OUT, MANDATORY CREDIT, NO LICENSING IN CHINA, HONG KONG, JAPAN, SOUTH KOREA AND FRANCE