What was found
F/A REPORT ELECTRICAL ODOR IN CABIN AT ROWS 18, 19, & 20 DEF. ALL CABIN LIGHTS TURNED OFF & ODOR PERSISTED BUT NOT INCREASING IN INTENSITY. NO STOWED ELECTRONIC DEVICES OVERHEATING, NO OVERHEATING PSUS. ACFT GROUNDED. ACFT GROUNDED. OPENED CEILING PANELS ON RT SIDE FROM ROW 8-23 & RT PSUS 8-23 NO ODOR, NO HOT BALLASTS, ANTI-COLLISION POWER SUPPLY COOL WITH LIGHTS ON. RAN BOTH ENGINES & BOTH PACKS- RAN PACKS ON APU ALSO. NO DEFECTS NOTED. FOUND FWD OTBD SIDE OF DOUBLE OVEN LIGHTLY SMOKES & SMELLS, AFTER 6 MINUTES ON HIGH. INBD SIDE OPS NORMAL. CREW ALSO VERIFIED OTBD ODOR. REPLACED THE FWD GALLEY DUAL OVEN IAW 25-32-01-401. FWD DUAL OVEN. OPS CKS NORMAL.