A Malev Hungarian Airlines de Havilland Dash 8-400, registration HA-LQD performing flight MA-512 from Budapest (Hungary) to Stuttgart (Germany) with 32 passengers and 4 crew, returned to Budapest when the airconditioning system malfunctioned. The airplane landed safely 30 minutes after takeoff.
A first replacement Boeing 737-700 registration HA-LOA was prepared for flight but suffered a technical problem too, so that the crew aborted takeoff preparations.
The second replacement Boeing 737-700 registration HA-LOS managed to depart Budapest with a delay of 3 hours, however one passenger short (31 passengers on board).
