What was found
ON APP, CONTINUED STRONG ODOR "DUCT SMELL", OPINION, SEEMS LIKE A/C PAX DUCT ISSUE THROUGHOUT CABIN NO ASSOCIATING MESSAGE,ECAM. PRELIMINARY INSPECTION IS A FINDING OF OIL AND COKING AROUND THE 3RD AND 4TH STAGE IP ROTORS. FERRIED ACFT FOR NR 2 ENGINE CHANGE.