Incident: ULS Cargo A313 at Budapest on Apr 28th 2021

An ULS Airlines Cargo Airbus A310-300 on behalf of Turkish Airlines, registration TC-VEL performing flight GO-6392/TK-6392 from Budapest (Hungary) to Istanbul Ataturk (Turkey) with 4 crew on board, was in the initial climb out of Budapest's runway 13L when the crew reported an engine problem (CF6) with an engine "pounding like a steam engine" clearly heard in the background of the transmission, subsequently they reported they had an engine (CF6) stall indication, no fire indication, and would need to return for a single engine landing. The crew stopped the climb at 4000 feet, positioned for an approach to runway 13L and landed safely about 11 minutes after departure. The aircraft taxied to the apron.