What was found
(AUS) ENGINE P2.5/P3 SWITCHING VALVE STICKING INTERMITTENTLY ALLOWING OIL VAPOUR INTO THE AIR CONDITIONING SYSTEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) ENGINE P2.5/P3 SWITCHING VALVE STICKING INTERMITTENTLY ALLOWING OIL VAPOUR INTO THE AIR CONDITIONING SYSTEM.