Boeing conducted a second test flight of its 787 on Monday as it looks for the cause of battery problems that have grounded the planes. It said no more tests are currently planned.
Boeing said Monday's flight lasted one hour and 29 minutes and was uneventful. Flight-tracking service FlightAware showed that the plane flew from Boeing Field in Seattle, east over Washington State, and back.
Federal officials grounded the 787 on Jan. 16 because of battery problems that caused one fire and forced another plane to make an emergency landing. Boeing won permission from the Federal Aviation Administration last week to conduct test flights under special conditions, including that the planes fly over unpopulated areas.
Boeing said Monday's flight included two pilots and 11 flight test personnel. The test plane includes special equipment that lets it track the conditions of its two big lithium-ion batteries during the flight. It's one of Boeing's fleet of six 787 test planes that were used for flight testing before the plane went into full production.
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