As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE HEARD BUZZING NOISE FROM UNDER CAPTAIN'S FLOOR AND SMELLED SMOKE. (CREW MENTIONED A SMOKE DID DEVELOP). FOUND THAT THE #2 ELECTRONIC COMPARTMENT FAN WAS NOT WORKING. REMOVED AND REPLACED #2 FWD ELECTRONIC COMPARTMENT COOLING FAN. OPS CHECK SAT. NO FURTHER DEFECTS NOTED.