in 2022, specifically on October 5, while running in the direction of Lạng Sơn - Hà Nội, the train pulled by the locomotive code D19Er-2035 of Vietnam Railways to the area of Na Phuoc village, Van Thuy commune, Chi Lăng district, derailed, dragging 2 freight cars behind it.
After the incident, the authorities organized a rescue, and by about 9:00 a.m. on October 6, the incident was resolved. The incident did not cause any damage to people or goods, and due to timely notification, it did not affect or disrupt train operations on this route. The cause of the incident is being investigated by the authorities.