What was found
(AUS) PRESSURISATION SYSTEM ERRATIC IN OPERATION. INVESTIGATION FOUND THAT THE AIR FILTER AND VENTURI LINES WERE TRANSPOSED AT THE PRESSURISATION CONTROLLER CONNECTIONS. PERSONNEL/MAINTENANCEERROR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) PRESSURISATION SYSTEM ERRATIC IN OPERATION. INVESTIGATION FOUND THAT THE AIR FILTER AND VENTURI LINES WERE TRANSPOSED AT THE PRESSURISATION CONTROLLER CONNECTIONS. PERSONNEL/MAINTENANCEERROR.