As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, FLIGHT ATTENDANT REPORTED AN ODOR OF UNKNOWN ORIGIN THAT LASTED LESS THAN FIVE MINUTES, THEN DISSIPATED. ODOR WAS EVIDENT THROUGH THE CABIN. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE NORMAL EQUIPMENT COOLING FAN CIRCUIT BREAKER POPPED. INSTALLED SERVICEABLE NORMAL EQUIPMENT COOLING FAN PER AMM 21-58-12.