A Travel Service Boeing 737-800,
registration OK-TVG performing flight 3Z 7266 from Katowice (Poland) to Bodrum (Turkey) with 194 people on board, was enroute at FL370 about 60nm north of Sofia when the crew declared PAN reporting the right hand engine (CFM56) had failed and was shut down, they needed to descend and divert to Sofia (Bulgaria). The aircraft descended to FL150 and diverted to Sofia for a safe landing on runway 27 about 40 minutes later. A replacement B737-800 registration OK-TVY positioned to Sofia and reached final destination with a delay of 5,5 hours (source aeroinside.com).