As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURE FROM YVR COCKPIT & CABIN HAD OILY AIR SMELL FOR A SHORT TIME THEN WENT AWAY. LATER DURING CRUISE FLIGHT ATTENDANT`S REPORTS THE SMELL HAS RETURNED. APU INLET WASH COMPLETED IAW JOB CARD 26L00021004 & 26L00021001, NO ODOR.