As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPORTS OF AN ODOR IN THE COCKPIT AND CABIN BY THE FLIGHT CREW. FOUND HEAVY OIL LEACKAGE AND POOLING IN THE APU COMPARTMENT. LEAK SOURCE FOUND TO BE APU OIL COOLER FEED AND RETURN LINES. REMOVED AND REPLACED FEED AND RETURN LINES IAW AMM 20-21-11-991, AND AMM 49-91-44-400-802A. LEAK AND OPS CHECKED GOOD.