What was found
SLIGHT ODOR OF SMOKE IN FWD BUSINESS CLASS LT AISLE AT O/H BIN LEVEL. ODOR EVENTUALLY DISSIPATED AFTER SELECTING ECON OFF. NO SMOKING TO OFF AND FASTEN SEAT BELTS TO OFF. REMOVE CEILING PANELS AT ROW 2/3/4 AND INSP OVERHEAD. REMOVE NO SMOKING/FASTEN SEAT BELTS ASSY AND READING LIGHTS ASSY AT SAME. INSP FLOUR LIGHT BALLAST AND WIRING ALL AREAS, NO TROUBLE FOUND. RAN RECIRC FANS AND NO SMOKING/FASTEN SEAT BELT LIGHTS ON GROUND. ALL OKAY. NO SMOKE OR ODOR NOTED.