As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER START BLEED AIR WAS SELECTED ON AND THERE WAS A MILD ODOR OF OIL THROUGHOUT THE ENTIRE AIRCRAFT. THE OIL ODOR INTENSIFIED AFTER 30-40 SECONDS. BLEED AIR WAS THEN SELECTED OFF AND MISSION CANCELLED. BORESCOPE INSPECTION CARRIED OUT ON BOTH ENGINES. NR 2 ENGINE HAS WETNESS IN THE ICC. TROUBLESHOOTING IS ON-GOING.