As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN HAD STRONG MUSTY SMELL ON THE DESCENT INTO DFW PASSING THRU 16,0000-FOUND EMERGENCY EXIT ROW TO SMELL LIKE BAD BODY ODOR CAPT STATED SMELL STARTED WHEN FLYING THROUGH RAIN PERFORMED AQE INSP IAW AMM 05-50-00-810-831A USING AEROTRACER NK13335T NO DEFECTS NOTED INSP APU OIL NO DEFECTS NOTED