A Boeing 787 successfully completed its first two-hour test flight with a redesigned lithium battery system after being grounded due to previous fires.
The FAA had grounded the 787 fleet following two incidents of battery fires.
The redesigned battery system incorporates improved insulation of battery cells and a new containment and venting system to prevent overheating and smoke.
Boeing plans at least one more test flight before the 787 is cleared for regular passenger service.
A Boeing 787 completed a two-hour flight on Monday in the first test of the troubled airliner’s redesigned lithium battery system.
The Dreamliner departed Everett, Washington, just after noon local time and flew along the Pacific coast into Oregon before returning to land at Paine Field. Afterward Boeing said the flight went “according to plan.”
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