What was found
FUME EVENT, NOTED INITIALLY ON GROUND. PERFORMED TSM 05-50-00-810-831-A, FOUND CAUSED TO BE APU BLEED SYSTEM. IAW TSM 49-00-00-810-921-A; PERFORMED EXTERIOR INPECTION OF APU COMPARTMENT. FOUND OIL LEVEL SLIGHTLY BELOW FULL, OIL CAP SECURED & SCUPPER WAS CLEAN.