一航班飞行中出现故障备降，国航最新通报

Core Viewpoint - China International Airlines reported a mechanical failure on flight CA856 from London to Beijing, which safely diverted as per protocol [1] Group 1 - The incident occurred on August 26, with the flight experiencing issues during its journey [1] - The airline took immediate action by dispatching a replacement aircraft to ensure passenger service continuity [1] - The replacement flight successfully arrived at Beijing Capital International Airport at 4:40 AM on August 27 [1]