On 25.08.2024 from Varna station at 16:50 p.m. departed fast train No 8632 consisting of 4 coaches, 165 tons, 101 meters with electric locomotive No 91520043309-1, serviced by locomotive driver I-st person and locomotive driver II-nd person and transport crew, head of train and conductor. The train run daily on the TOS in the direction Varna-Karnobat-Plovdiv and vice versa. The train was staffed and operated by the railway undertaking BDZ-Passenger Transport EOOD.
During the train running between Tchyrpan – Svoboda stations, the locomotive driver I-st person looked back at the train and saw smoke and fire coming out of the rear part of the locomotive. Immediately turned off the MAS and the train continued its movement on inertia and stopped at km 60+560 in front of the entrance semaphore at Tchyrpan Station. After stopping the train, the locomotive driver I-st person activated the fire-fighting system from the locomotive cab. Locomotive driver II-nd person uncoupled the locomotive from the coaches and started extinguishing the fire with portable fire extinguishers from the locomotive. Three fire extinguishers from the train's coaches were also used, but without any success.
At 22:50 p.m. a specialized fire-fighting vehicle of RS FSaCP Tchyrpan and subsequently two more vehicles of RS FSaCP Stara Zagora arrived at the scene of the accident and started extinguishing the fire.
At 02:34 a.m. an employee of RS FSaCP reported that the fire in the locomotive was extinguished and voltage could be applied to a catenary.
Along the interstation Svoboda – Tchyrpan, the train traffic was suspended from 00:16 a.m. to 04:10 a.m. on 26 August 2024.
There were no injured passengers and staff, material damages were caused to the locomotive and the railway infrastructure.