As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN CRUISE AT FL 450, THE CREW NOTICED ENVIRONMENTAL SYSTEM ODOR AND SMOKE IN CABIN. THE CREW ACCOMPLISHED ABNORMAL PROCEDURE AND THE SMOKE APPEARED TO DECREASE WHEN THE PRESSURE SOURCE SELECTOR WAS IN RT POSITION. INVESTIGATION ON-GOING.