What was found
FUME EVENT PASSING DECENT AT 8000 FEET BOTH PILOTS ON 02. PACK ONE SELECTED OFF. F/A CALLED FRONT ALSO SMELL DISSIPATED SHORTLY AFTER PACK 1 SELECTED OFF.-PER TSM 05-00-810-831-A, FOUND APU TO BE THE CAUSE OF ODOR IN THE CABIN. PER TSM 49-00-00-200-811-A FOUND APU LEAKING AT THE LOAD COMPRESSOR DRAIN PORT CAVITY. PER FURTHER INSPECTION OF PACK, FOUND PACK # 1 CONTAMINATED. PERFORMED DECONTAMINATION OF PACK # 1 AND PACK # 2 IAW AMM 21-00-00 WITH HP GROUND AIR.