What was found
FUMES/ODORS OF OIL IN COCKPIT AFTER TAKE OFF WHEN ADVANCING THRUST, AFTER TAKEOFF THRUST IS SET, CONDITIONED AIR FROM VENTS SMELLS LIKE JET ENGINE OIL FOR SEVERAL MINUTES. INSPECTED OIL AREAS AS PER A220 FIM BD500-A-J21-22-00-00AAA-423A-A STEPS 1 THROUGH 3. NO DEFECTS NOTED.