What was found
SUSPECTED FUME EVENT 2000 FT DURING APPROACH-PERFORMED TSM 05-50-00-810-831-A. FOUND SOURCE OF ODOR TO BE TYPE 8 FOR DE-ICING FLUID. PERFORMED INSPECTION OF APU PER AMM 49-16-00-210-802. FOUND DEICING FLUID AT AFT FUSE UNDER BELLY AND APU INLET. CLEANED AREA THROUGHLY AND PERFORMED LEVEL A DECONTAMINATION IAW AMM 21-00-00-615-802. NO FURTHER SMELLS OR ODORS NOTED AT THIS TIME. MOC 120082. APPARENT CABIN SOURCE-UNKNOWN, VISIBLE SMOKE / HAZE-NO , MEDICAL ATTENTION REQUIRED-NONE, DESCRIPTION OF FUMES / ODOR(S)-DIRTY SOCKS, MUSTY DRY.