As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESCENDING THRU 6000 FT A STRONG MUSTY AROMA STARTED TO CIRCULATE THROUGH THE COCKPIT. ISOLATING PACK #1 SEEMED TO DISIPATE. ONCE ON THE GROUND WITH APU SUPPLING BLEED TO PACK #2 THERE WAS A STRONGER CHEMICAL /OIL SMELL/FUME IN CABIN OF A/C.-C/W TI 2100-2002-NEO. NO FINDINGS AT THIS TIME. PERFORMED ECS DECONTAMINATION PER AMM 21-00-00. NO SMELL NOTED AT THIS TIME. A/C OK FOR CONT SVC.