As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3806 ON DESCENT FROM 8000-7000 FEET WE NOTED A STRONG ODOR (CHEMICAL) THAT LASTED FOR APPROX. 5 MINUTES. CORRECTIVE ACTION: C/W SMOKE/ODOR EVENT NOGO ODI PREVENTION PROGRAM. T/S IAW FIM 21-00-00-810-806. NEW RECIRCULATION FILTERS AS PRECAUTION AMM 21-51. RAN BOTH ENGINES WITH EFFECTED SYSTEMS NO SMOKE OR FUMES. (4733998).