As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CHEMICAL ODOR AT 6000 FT DURING DESCENT WENT AWAY WITH PACK 1 OFF-PERFORMED TSM 05-50-00 , PERFORMED VISUAL INSPECTIONS OF ENGINES AND APU AREA , NO LEAKS NOTED . ISOLATE ODOR TO THE LEFT PACK . SEE LOG PAGE 3049624-2 FOR MEL / PACK DEACTIVATION