Novair A321 near Belgrade on Aug 19th 2014, burning smell in cockpit

A Novair Airbus A321-200, registration SE-RDP performing flight 1I-352 from Zakinthos (Greece) to Stockholm (Sweden) with 210 people on board, was enroute at FL340 about 150nm south of Belgrade (Serbia) still in Albanian Airspace when the crew initiated a rapid descent reporting a burning smell in the cockpit. The aircraft levelled off at FL120 and diverted to Belgrade where the aircraft landed safely about 25 minutes later.

Passengers reported that the burning smell also developed into the cabin.

The airline reported that the crew felt some vibration, then the circuit breaker for a fan popped and a burning smell developed in the cockpit convincing the crew to not continue the flight. The aircraft was examined and found fit to continue the flight, a replacement crew flew was flown to Belgrade.

The occurrence aircraft departed Belgrade about 13 hours after landing and reached Stockholm with a delay of 13 hours.