As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEVEN HOURS INTO FLIGHT, FLIGHT ATTENDANT REPORTED AN ELECTRICAL ODOR AROUND SEAT 15. PERFORMED FAN CHECKLIST, TURNED OFF BOTH RECIRCULATION FANS AND THE ODOR DISAPPEARED. RECIRCULATION FAN OVERHEATED. THERE WAS NO EICAS MESSAGE ABOUT THE RECIRCULATION FAN. REPLACED AFT UPPER RECIRCULATION FAN IAW AMM 21-25-01-000-801. CHECKED SYSTEMS AND OPS CHECKED OK.