As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ALT. REPORTED MOSTLY SMELL AT FWD AND MID CABIN ON DESCENT AOUT 4,000 FT CABIN TEMPS AT 70 DEGREES/70 DEGREES/70 DEGREES.-PERFORMED COVI OF THE A/C EXTERIOR AND CABIN INTERIOR. NO FAULTS NOTED. AEROTRACER USED TO DETECT ODOR READINGS. REF. TSM 05-50-00-810-813-A. NO ODOR PRESENT AT THIS TIME.