Xin Lang Cai Jing·2025-08-27 03:46Core Viewpoint - China International Airlines reported a mechanical failure on flight CA856 from London to Beijing, which safely diverted to a backup airport in Russia [1][3] Group 1: Incident Details - Flight CA856, carrying 267 people, experienced a mechanical issue and made an emergency landing at the airport in Novy Urengoy, Russia [3][4] - The flight, operated by a Boeing 777-300ER, was originally scheduled for a flight time of 9 hours and 45 minutes [1][3] - Passengers reported a smooth landing, but they had to wait several hours on the plane before being allowed to disembark [3] Group 2: Aircraft Information - The Boeing 777-300ER has a seating capacity of 311 and an average age of 12.9 years [3] - Boeing ended the formal production of the 777-300ER in 2021, with over 890 units delivered to global operators by December 2023 [3][5] - China International Airlines has a total of 19 Boeing 777-300ER aircraft on order [3] Group 3: Safety and Regulatory Context - In 2022, the FAA issued an emergency airworthiness directive for Boeing 777 aircraft over 12 years old, requiring inspections of engine mount bolts every 300 cycles [3] - The 777 series has a relatively low number of incidents compared to other Boeing models, with notable past incidents including a fuel leak in 2019 and an engine failure in 2022 [3][4] Group 4: Engine Specifications - The Boeing 777-300ER is equipped with the GE90-115B engine, which has individual fan blades weighing up to 1.2 tons [5] - General Electric has delivered over 2,800 GE90 engines globally [6]