As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU MISTING OIL IN CABIN ON PACS 1 OR 2. FERRIED AT AIRCRAFT TO INT FOR MAINTENANCE. TROUBLESHOT APU AND OIL SYSTEM, NO FAULT FOUND. RT ACM BY PASSING OIL CAUSING SMOKE IN CABIN. REMOVED AND REPLACED RT ACM, OP'S CHECKS GOOD IAW B737 MM 21-51-11.