Boeing made this announcement on social media:
We are powering up the 777X flight test airplane. Join us LIVE on December 6 at 10 a.m. PST as we show you more behind-the-scenes action as the first airplanes come together in the factory.
Boeing updated the invitation on December 6, 2018:
|Join us TODAY at 10 a.m. PST (17:00 UTC) LIVE from final assembly in Everett, Wash., where we have now switched on the power for the first 777X. Our host, Jeff Haber, will chat with Samantha Jarema, a manager on the 777X low-rate initial production line.
Tune in as we share more behind-the-scenes moments as the 777X gets closer to becoming the most efficient large twin-engine airplane in the world! Remember to leave your questions in the comments of the Facebook post or by tweeting at @BoeingAirplanes on Twitter.
When it is time, click the images below to join us live on Facebook or Twitter.