As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT DURING DESCENT DISSIPATED AFTER ELIMINATION OF ODOR / FUME FCOM PROCEDURE -REF TSM 05-50-00-810-831A FOUND SOURCE OF SMELL TO BE COMING FROM PACK #1 ALSO CONFIRMED BY FLIGHT CREW CAPT AND FO. REF L/P 3430441-2 FOR PACK #1 MEL RAN PACK #2 IAW AMM 12-33-21 NO SMELL OR DEFECTS NOTED AT THIS TIME. ALSO INSPECTED APU IAW AMM 49-00-00 NO SIGNS OF OIL LEAKS NOTED AT THIS TIME