What was found
SMOKE AND HAZE NOTED AT ROW 7 BOTH SIDES ELECTRICAL ODOR. SIDE WALL LIGHTS OFF OVERHEAD LIGHTS ON LOW. IFE TURNED OFF AND SMOKE REOCCURRED TWICE DURING DESCENT. NO EICAS MSG INBOUND. NO C/BS POPPED IN COCKPIT OR EE OR CARGO COMPTS. RAN ALL LIGHTS AND IFE AND GALLEY EQUIPMENT CHECKED. CEILING/PSU AREAS AND UNDER SEATS AND FLOOR GRILLS. ALL OPS /ODORS NORMAL. UNABLE TO DUPLICATE. ATL MA NOTIFIED. ALSO CHECKED FWD/AFT CARGO COMPT AND FWD EE COMPTS. RAN APU AIR ENTIRE GROUND TURN.