Some grounded Boeing 787 Dreamliner passenger jets are expected to be ready to fly in about a week. The U.S. Federal Aviation Administration approved a redesign for the planes' lithium-ion batteries, which previously overheated in flight. Five All Nippon Airways jets are the first that will have the battery system installed. The grounding of the Dreamliners in January stopped all deliveries of the aircraft and has cost Boeing about $600 million.
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