What was found
SMOKE OR FUMES IN CABIN, SOURCE UNKNOWN, ELECTRICAL SMOKE IN THE VICINITY OF ROWS 3-8. FA TURNED OFF IFE AND SMOKE DISSIPATED. TURNED OFF FLT DECK IFE. INSPECTION FOR SMOKE OR FUMES IN CABIN PERFORMED IAW AMM 44-30-00-280-801. PSU NO FAULTS NOTED ON WIFI UPPER ANTENNA PSU AREA. FINISHED SPECIAL INSPECTION IAW AMM 44-30-00, PG 602. NO FAULTS FOUND. RAN WIFI SYSTEM FOR APPROXIMATELY 2 HOURS, NO FAULTS FOUND.