What was found
ACRID ELECTRICAL SMELLTHROUGHOUT CABIN AFTERTAKEOFF. RAN CHEKLI STRETURND TOAIRPORT PERFORMED SMOKE/ODOR IN CABIN INSPECTION REF AMM 05-51-10-200-801C. CREW COMPLETED SMOKE/ODOR FORM AND INFORMED M/X THAT SMELL BEGAN DURING TAKEOFF. PERFORMED IDENTIFICATION CHECK OF CAUSE OF ODOR REF TSM 05-50-00-810-831-A TO TASK 4A(1) TO CHECK THE APU AS CAUSE OF ODOR. PERFORMED TSM 49-00-00-810-921-A FOR TROUBLESHOOTING OF THE ODOR SOURCE OF THE APU. NO ODOR NOTED FOR APU. SUSPECT ENGINE 1 OR ENGINE 2 AS SOURCE OF ODOR INDIVIDUALLY AT MCT POWER FOR 2 MINS WITH BLEED ON AND RESPECTIVE PACK ON, CROSSBLEED CLOSED. NO OIL OR HYDRAULIC ODORS NOTED. FOUND ODOR TO BE TYPE 9 OF TSM, MISCELLANEOUS CABIN ITEMS. FOUND BURNT MASS OF MATERIAL INSIDE AFT INBOARD OVEN. CONTINUED TSM 05-50-00-810-831-A THRU END. OPERATED EACH ENGINE, CLEANED OUT OVEN. NO FURTHER ODORS NOTED. REPLACED RECIRC FILTERS PRECAUTIONARY.