As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURE FROM SBA, APU IS VENTING EXESSIVE AMOUNTS OF OIL CAUSING SMELL OF SMOKE OIL COMING THROUGH COCKPIT WEEMAC VENTS, DIVERTED TO VNY. ACCOMPLISHED OPERATIONAL CHECK OF APU AND FOUND OK IAW HAWKER 800XP M/M PER CHAPTER 49-11-00. CK'D OK CHECKS APU OIL LEVEL CK'D OK.