A Japan Airlines Boeing 787 Dreamliner jet aircraft is surrounded by emergency vehicles while parked at a terminal E gate at Logan International Airport in Boston, Monday, Jan. 7, 2013. Boeing has a lot riding on the 787. The long-range jet promises a smoother travel experience and is 20 percent more fuel efficient than older models. After years of delays, Boeing has now delivered 49 of the planes, with almost 800 more on order. (AP Photo/Stephan Savoia)

Associated Press
A Japan Airlines Boeing 787 Dreamliner jet aircraft is surrounded by emergency vehicles while parked at a terminal E gate at Logan International Airport in Boston, Monday, Jan. 7, 2013. Boeing has a lot riding on the 787. The long-range jet promises a smoother travel experience and is 20 percent more fuel efficient than older models. After years of delays, Boeing has now delivered 49 of the planes, with almost 800 more on order.  (AP Photo/Stephan Savoia)
A Japan Airlines Boeing 787 Dreamliner jet aircraft is surrounded by emergency vehicles while parked at a terminal E gate at Logan International Airport in Boston, Monday, Jan. 7, 2013. Boeing has a lot riding on the 787. The long-range jet promises a smoother travel experience and is 20 percent more fuel efficient than older models. After years of delays, Boeing has now delivered 49 of the planes, with almost 800 more on order. (AP Photo/Stephan Savoia)
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