As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE FROM LSB TO SNN, THE FLIGHT CREW NOTICED A SMOKE ODOR AND SMOKE COMING FROM THE FLIGHT ENGINEER SEAT BASE. THE FLIGHT ENGINEER SEAT CONTROL CIRCUIT BREAKERS WERE OPENED. THE ODOR AND SMOKE CLEARED. AIRCRAFT CONTINUED ON MEL 25-1. (M)