Boeing 777 engine fault grounds planes â hereâs how it impacts flights to and from South Africa Feb 25, 2021, 09:38 AM facebook email EVERETT, WA - FEBRUARY 22: Workers stand near a Pratt & Whitney engine on a Boeing KC-46A Pegasus aerial refueling jet built for the U.S. Air Force at Boeings airplane production facility on February 22, 2021 in Everett, Washington. Following Saturdays engine failure on a Boeing 777 over Denver, the FAA issued an emergency inspection order for Boeing 777 aircraft with Pratt & Whitney engines. (Photo by David Ryder/Getty Images) A jet engine fire which dropped debris on a US suburb has led to urgent grounding and inspection orders impacting certain Boeing 777 planes.