As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN COCKPIT STARTING N 25,000-PERFORMED TSM 05-50-00-810-831-A. AIRCRAFT CATEGORIZED AS TYPE 9 AQE. TROUBLESHOT AND FOUND L RECIRC FAN 15HG CAUSE OF AQE BURNING ELECTRICAL ODOR IAW TSM TSM 05-50-00-810-831-A AND AMM 21-21-51. SEE LP 6004369-2 FOR LT RECIRC FAN 15HG CORRECTIVE ACTION. MOC 69742