An Egypt Air Cargo Airbus A300B4, registration SU-GAC performing flight MS-521 from Ostend (Belgium) to Cairo (Egypt), landed on Cairo’s runway 23C when the crew reported smoke in the cockpit originating from one of the panels in the cockpit. Emergency services responded and identified a faulty control panel as source of the smoke. The aircraft returned to service the following day after about 17.5 hours on the ground.