As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
5 MIN FROM LANDING F/A CALLED COCKPIT AND SAID THEY SMELLED SMOKE NEAR ROW 36. VECTORED FOR IMMEDIATE LANDING. LANDED W/O INCIDENT. STOPPED ON TAXIWAY, F/A REPORTED SMELL HAD CLEARED. AIRCRAFT INSPECTED BY FIRE OFFICIALS W/O RESULT. RAN ENGS AND PACKS W/ NO RESULT. DUE TO EVOLVING HISTORY OF AFT CARGO HEAT FAN, REPLACED SAME. CKS OK.