What was found
AIR RETURN FOR UNDETERMINED OVEN SMOKE (OVER WEIGHT 117,800LBS LANDING). SMOKE FORM FILLED. DEBRIEFED F/A & FOUND AFT OVEN AT FAULT. OPS OVEN IN AFT GALLEY & FOUND SMOKING FROM SPILLAGE. PERF OVERWEIGHT INSP PER AMM737-5 CHAPT 05-51-74-201 NO DEFECT NOTED. REMOVED & REPLACED OVEN 423 PER AMM 737-5 CHAPT 25-34-00-400-801. ALL CHECK GOOD. SEE LOG 4313596 FOR RECIRCULATION FILTER DIP. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1487051 SN OFF 00147 OVEN, LARGE, SG OFF 99-2533-9-0002 0147 ON 99-2533-9-0002 0387.