As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW REPORTED FUMES IN THE COCKPIT. F/O DAWNED OXYGEN MASK. UPON ARRIVAL, CREW NOTIFIED DUTY PILOT WHO CONTACTED DISPATCH TO ADVISE THAT BOTH CAPT AND F/O WERE BEING REMOVED FROM DUTY. NO EMERGENCY DECLARED PACK 1 RUN ON THE GROUND. NO ODOR NOTICEABLE. SERVICEABLE.