What was found
ATB DUE TO FUMES. BURNING RUBBER ODOR IN CRUISE. NO DIFFERENCE W/ ENG LEVEL 2/3. ODOR INTENSITY MODERATE FROM CRUISE TO LANDING 4L OVERHEAD SOURCE UNKNOWN. GROUNDED - YES. FLIGHT CREW REPORTS SULFAR ODOR IN AFT GALLEY THROUGHOUT FLIGHT. PERFORMED TSM 05-50-00-810-829-A. OPERATED ALL AFT GALLEY OVENS AND COFFEE MAKERS. UPON INVESTIGATION FOUND COFFEE MAKER (A222) WITH BURNING PLASTIC/SULFARIC ODOR. NO DAMAGE/BURNS FOUND ON ELECTRICAL CONNECTIONS AND WIRING. DISASSEMBLED COFFEE MAKER A222 FOUND EVIDENCE OF BURNT PLASTIC AND ODOR . REMOVED AND REPLACED COFFEE MAKER IAW AMM 25-35-15. OPS/CHECK GOOD. NO ODOR NOTED. OK FOR SVC.