As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESCENDING THRU FL207 ODOR IN THE COCKPIT, INDUSTRIL PLASTIC SMELL. APPLIED ODOR ELIMINATION PROCEDURE, ISOLATING PCK 1 OFF. ODOR DISSAPATED-REF TSM 05-50-00-810-831-A INSP FOUND A/C BELLY CONTAMINATED W/ HYD FLUID. ISOLATED LEAK TO YLW NWS FUSE UNIT (2900GM) REPLACED LWR O-RING ON MANIFOLD REF AMM 32-51-21. CLEANED BELLY PER AMM 12-21-1. RAN PACKS PER AMM 21-52-00. NO ODOR NOTED AT THIS TIME. A/C OK FOR SVC