What was found
AT CRUISE 38000' FLIGHT ATTENDANT`S ADVISED OF BURNING SMELL IN THE AFT CABIN. AFTER INVESTIGATING FOUND BURNING, RUBBER SMELL BETWEEN FWD LAVATORY & LAST TWO ROWS OF SEATS. WORK TSM 24-00-00-810-823-A & 05-50-00-810-831-A. FOUND OVEN TRAY WITH BURNED FOOD SPOT FROM PREVIOUS FLIGHT & UPPER SECTION OF OVEN DOOR SEAL LEAKING. ALSO FOUND LAVATORY OCCUPIED SIGN WITH BURNED CIRCUIT BOARD. REPLACED OVEN & LAVATORY SIGN. 97599 ALSO CHECKED OVERHEAD CEILING AREA FOR EVIDENCE OF BURNED WIRING & REMOVED CONTROL PANEL FOR CB`S & CONTROL SWITCHES TO CHECK FOR CONDITION OF WIRES & RELAYS. ALSO CHECKED BOTH CHILLERS FOR PROPER OPERATION OF COMPRESSORS NO PROBLEMS FOUND.