As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, F/A NOTICED FAINT SMOKE ODOR, BLEEDS SELECTED OFF AND ODOR DISSIPATED. MX FOUND CRACKED DUCT IN APU EXHAUST DUCT. ON FURTHER INSPECTION OF APU BLEED DUCT. NO LEAKS WERE FOUND. OIL WAS FOUND IN BLEED AIR SYS FROM NR 1 ENGINE. R & R NR 1 ENGINE. OK FOR SERVICE.