What was found
FLT 968, PBI-HPN. CABIN/COCKPIT FUMES MOMENTARILY ON ASCENT B/T 5000-8000. THEN PROLONGED ON DESCENT FROM UPPER TEENS (17-19000) TO GROUND ALL CREW SMEELED IT. AIR SMELLS CLEAN ON APU BLEED.; C/W LEVEL A DECONTAMINATION PER INFO NOTICE 2017-T015M. REF LP 4458636-1 AND 4458636-2 FOR REMOVED AND REPLACE OF HEPA FILTERS AND OZONE FILTERS. PACK BURN ACCOMPLISHED PER AMM 21-00-00-615-802. REF TSM 71-00-00. FOUND OIL CONTAMINATION IN INLET CONE REMOVED AND REPLACED LP TURBINE SHAFT BLIND CAP SEAL PER AMM 72-51-41. NO FURTHER LEAKS. A/C OK FOR SVC.