Denver February 22, 2021 8:19 am Boeing Recommends Grounding 777's With PW4000 Engines Boeing is calling for all airlines to ground their 777 model airplanes equipped with the Pratt & Whitney PW4000 engine, the type of engine that blew apart after takeoff from Denver this weekend. Local 2:11 Zayn Malik surprises Kelly Clarkson with honey from his Pennsylvania farm 1:54 Kate Middleton and Prince William ‘incredibly sad' after death of Royal Air Force pilot 1:56 Mike Tyson ‘doing great' after health scare on flight 1:33 ‘General Hospital' star Johnny Wactor remembered by co-stars following death 1:23 Ashton Kutcher, Mila Kunis and their kids watch Caitlin Clark play