Source: Simon Hradecky | The Aviation Herald

An Aeroflot Boeing 737-800, registration VQ-BWA performing flight SU-1415 (dep Jan 8th) from Ekaterinburg to Moscow Sheremetyevo (Russia) with 149 people on board, was descending towards Moscow when sparks and smoke were observed from the cabin ceiling near the cockpit door. Cabin crew discharegd fire extinguishers which stopped the sparks and smoke. The aircraft continued for a safe landing on Sheremetyevo’s runway 24R.

Moscow’s Transport Prosecution Office reported there was sparking and smoke pollution from the video surveillance equipment due to a wiring/insulation fault. Rosaviatsia reported smoke was detected coming from the cabin ceiling in the cabin just at the cockpit door. Cabin crew discharged a fire extinguisher. After some time the sparks and smoke re-occurred, another fire extinguisher was discharged which stopped the sparks and smoke. The aircraft continued to Sheremetyevo Airport and was removed from service. The occurrence aircraft is still on the ground in Moscow about 18 hours after landing.