Investigation led by ATSB - Australia

Serious incident to the Airbus A330 registered VH-EBK operated by Qantas on 05/02/2021 at Adelaide

Preliminary data based on the notification from the Australian authorities:

During cruise, the crew detected a pressurisation system fault and conducted an emergency descent to 10,000 ft. The crew lost communications with ATC and diverted the aircraft to Adelaide.