Created Wednesday, May 26th 2021 15:33Z, last updated Wednesday, May 26th 2021 15:33Z
A CSA Czech Airlines Airbus A320-200, registration OK-HEU performing flight
OK-761 from Paris Charles de Gaulle (France) to Prague (Czech Republic), was climbing through FL330 (cleared to climb to FL340) when the crew donned their oxygen masks and initiated an emergency descent to FL100 stating "Pressurization! Request to descend to FL100!" and were promptly cleared to descend to FL100. The crew stopped the descent at FL150, subsequently climbed the aircraft again to FL190 and continued the journey to Prague for a safe landing on runway 30 about 70 minutes after descending from FL330.
The occurrence aircraft returned to service the following morning after about 18.5 hours on the ground in Prague.
