What was found
FAS REPORT FUME SMELL AT 5,000 ON APPROACH CONFIGURED FLAPS 1. DESCRIPTION OF ODOR/FUMES: PERSISTENT, MOLDY SMELL. APPARENT CABIN SOURCE: UNKNOWN. FWD CABIN, MID CABIN, AFT CABIN, AND FLIGHT DECK. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PERFORMED TSM PROCEDURES 05-50-00-810-831-A . NO DEFECTS OR FAULTS NOTED. COULD NOT DUPLICATE ODOR / AQE. FLIGHT CREW RAN ENGINES. MOC# 69742