As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT, ON DECENT AROUND 5000FT NOTICED FOUL SMELL. TURNED OFF PACK 1 SMELL WENT AWAY. PERFORMED TSM 05-50-00-810-831-A. THE COSRS IDENTIFIED ENG 1 OR PACK 1 INSPECTED ENG 1 IAW TSM 71-00-00-810-801. NO DEFECTS NOTED. PERFORMED TSM 21-00-00-810-801 NO DEFECTS NOTED. PERFORMED PACK BURN IAW AMM 21-00-00-615-003. NO ODOR PRESENT AT THIS TIME. A/C IS APPROVED FOR CONTINUED SERVICE.