As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE NOTED ODOR IN COCKPIT WITH AN EQUIP OVERHEAT EICAS MSG. ODOR DISSIPATED WHEN EQUIPMENT COOLING FAN WAS SHUT OFF. NO FURTHER INCIDENTS WAS REPORTED. R & R THE NR 1 EQUIP COOLING FAN IAW AMM 21-58-06-414-007. SYS CHECKED NORMAL.