As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JUST PRIOR TO DESCENT, F/A REPORTED SMOKE ODOR IN REAR OF ACFT. RAN QRH ITEM TO NR 8 AND ODOR DISSIPATED. EQUIPMENT OVHT EICAS MESSAGE ON LANDING. FOUND RT RECIRCULATION FAN DAMAGED, BLADES BENT, BEARINGS GRINDING, AND SMELLED BURNED. REPLACED RT RECIRCULATION FAN AND FILTER. OPS CHECKED GOOD. NO ODOR IN CABIN.