As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT CREW NOTES SLIGHT OIL ODOR IN CABIN WHEN APU BLEED IS ON. RAN ENGINES AT IDLE AND RAN BOTH PACKS. NO OIL ODOR NOTED AND CONDITION ACCEPTABLE TO THE CREW. ALSO, OIL IN APU COMPARTMENT. POSSIBLE LEAK. SERVICED OIL TANK 1 QUART. REMOVED APU PER MM. REPLACED APU AS PER TOD 49 -11-01. LEAK AND OPS CHECKED GOOD.