What was found
PACK #1 FUME EVENT DESENDING THROUGH 7,000 ON ARRIVAL IN TO MCO FUME IN COCKPIT TURNED OFF PACK #1 FUME DISAPEARED-PERFORMED APU OPS TEST IAW AMM 49-00-00, CK GOOD. PERFORMED #1 PACK OPS TEST & FOUND CONTAMINATED, FUME EVENT CONFIRMED.#2 PACK OPS CK GOOD OK FOR SERVICE.