As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRIC IFE/SEATS SWITCH WAS TURNED OFF. DUE TO PAX SEAT AT 32G BEING HOT, FOUND DC ELECTRIC BOX FAULTY. VERIFIED AS SOURCE OF SMOKE ODOR IN CABIN. CONFIRMED FAULT, REMOVED AND REPLACED SEAT 32DEFG DC-SEB IAW AMM 23-32-87. REMOVED AND REPLACED SEAT 32DEFG SPM IAW AMM 23-81-04. REMOVED AND REPLACED SEAT 32DEFG DPCU IAW AMM 23-32-50. SEAT 30DEFG THRU 32DEFG ALL OPS CHECKED NORMAL.