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Boeing issued this statement:
ZA005, Boeing’s fifth 787 flight test airplane, departed from Boeing Field at 12:32 p.m. Pacific time on Saturday, Jan. 9, with a crew of 13 onboard (Boeing pilots and flight test personnel). The flight lasted 2 hours and 19 minutes, landing back at Boeing Field at 2:51 p.m. Pacific time. The crew reports that the flight was uneventful.
During the flight, the crew monitored the performance of the main and APU batteries. Special equipment onboard ZA005, which is currently the only member of the Boeing 787 flight test fleet in service, allowed the crew to observe and record detailed battery performance in normal flight conditions.
Data gathered during the flight is considered part of the investigations into the 787 battery events that occurred in January. For that reason, we cannot share any additional details.
We have no flights planned for ZA005 Sunday, but plan to resume flights early this coming week. As a matter of long-standing practice, we do not provide flight schedules in advance of flight plans being filed.
Takeoff photos from today’s flight have been posted here: http://www.flickr.com/photos/theboeingcompany/sets/72157632730482850/. Landing photos will also be posted on our Flickr page when they are available.