As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS CABIN ODOR, APU FOUND TO BE SOURCE OF CABIN ODOR. APU OIL CONSUMPTION HIGH ACCORDING TO OSP PROGRAM. INSPECTED APU FOUND COOLING FAN LEAKING OIL AT CROSSOVER TUBE AND MOUNTING PAD , REPLACED COOLING FAN AND ALL THE SEALS PER AMM 49-52-51. AIRCRAFT WAS GROUNDED.