As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2279 - ORF - DURING CRUISE, CREW DETECTED SMOKE IN COCKPIT WHEN RECIRC FAN WAS ON. MX FOUND PIECE OF INSULATION ON FWD AVIONICS FAN. MX REMOVED INSULATION AND PERFORMED OPERATIONAL CHECK SUCCESFULLY. ACFT WAS APPROVED TO RETURN TO FLIGHT.