As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IT WAS REPORTED THAT THE CREW OF ABOVE ACFT MADE A TURNBACK TO ORIGIN AIRPORT AFTER EXPERIENCING AN OIL ODOR FROM THE BLEED/PRESSURIZATION SYS. ONCE ON THE GROUND, THEY ISOLATED THE ODOR TO THE RT ENGINE CABIN BLEED. TROUBLESHOOTING IS ON-GOING.