CHICAGO (Reuters) - Boeing Co said a test flight of its grounded 787 Dreamliner to collect more data on potential faults in the aircraft's lithium-ion batteries had taken off from Seattle and was scheduled to return late Saturday afternoon. The 50 Dreamliners in commercial service were grounded worldwide on January 16, after a series of battery related incidents, including a fire on board a parked 787 in Boston's Logan International Airport and an in-flight problem on another plane in Japan. The groundings have cost airlines tens of millions of dollars, with no solution yet in ... Read More