As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 PACK CONTAMINATED, FUMES IN COCKPIT DURING DECENT THRU 10000 FT. THE PACK WAS TURNED OFF. PERFORMED DECONTAMINATIONOF THE ECS IAW AMM 21-00-00. R & R RECIRCULATION FILTER IAW AMM 21-21-41 AND NR 1 & 2 ENGINES DEOILER SEALS IAW AMM 72-60-31. PERFORMED ENG RUNS IAW AMM 71-00-00. NO ODORS OR FUMES OBSERVED AT THIS TIME ACFT OK FOR CONTINUED SERVICE.