On September 14th 2010, Sichuan Airlines’ (referred as CSC hereinafter) A319/B-6054 was scheduled to perform flight mission 3U8949. At 09:29 (Beijing Time, the same hereinafter), during the final approach to destination airport Runway 03, significant changes occurred in the aircraft condition because of the poor weather. Low Energy, Stall and Pull Up warnings were triggered one after another, and the plane entered into stall condition. After that, the automatic protection system began to work, and saved the plan from the stall condition. The crew controlled the plane to gradually recover from the adverse condition, and landed at Ningbo airport. This event was a major aviation transportation incident.