As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON TURNING ON APU BLEED AIR, STRONG SMELLING AIR FILLED ACFT COCKPIT TO AFT GALLEY. NOT DE-ICING FLUID SMELL. PERFORMED TC 26L00021001. FOUND APU GEN SCAVENGE FILTER HOUSING LEAKING OIL AT MOUNTING FLANGE TO GEAR BOX. REPLACED APU IAW TASK CARD 26L31049005.