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Business & Tech

UPDATE: 787 Passes Long-Awaited Battery Certification Test

The Boeing Co. took up the Dreamliner for a two-hour flight, a final certification run to show the FAA it's new lithium-ion battery system works as intended.

Update, 3:18 p.m. Friday:

Boeing announced it has completed a 787 certification demonstration flight today on line number 86, a Boeing-owned production airplane built for LOT Polish Airlines. Today's flight marks the final certification test for the new battery system, completing the testing required by the U.S. Federal Aviation Administration (FAA).

Today's flight departed from Paine Field in Everett, Wash. at 10:39 a.m. Pacific with a crew of 11 onboard, including two representatives from the FAA. The airplane flew for 1 hours and 49 minutes, landing back at Paine Field at 12:28 p.m. Pacific.

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The crew reported that the certification demonstration plan was straightforward and the flight was uneventful. The purpose of the flight was to demonstrate that the new battery system performs as intended during normal and non-normal flight conditions.

Boeing will now gather and analyze the data and submit the required materials to the FAA, and has pledged to deliver all of the testing materials to the FAA in the coming days. The FAA may make additional requests and seek additional information to ensure the aircraft is in compliance before the grounding of the aircraft type is lifted.

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Original Story: The Boeing Co. took up a 787 Dreamliner Friday for a final flight test to certify its new battery system to the FAA and demonstrate it works as intended in all conditions, the Herald reports.

The big new jet took off from Paine Field in Everett Friday morning on a scheduled two-hour flight west along the Strait of Juan de Fuca, south down the Washington Coast to northern Oregon and back.

"The purpose of the test is to demonstrate that the new system performs as intended during normal and non-normal flight conditions," Boeing spokesman Marc Birtel wrote in an emailed statement to the Herald.

The 787 was grounded by the in January after two incidents with its lithium-ion battery system, one a fire on a parked Japan Airlines Dreamliner.

The National Transportation Safety Board will conduct a two-day forum on the battery system next week.

For The Herald story, click here.

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