As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BURNT OIL SMELL APPEARANT IN THE CABIN / COCKPIT AFTER STARTING THE APU IN THE AIR. OILY/ BURNT TOAST SMELL // SIGNOFF// COULD NOT DUPLICATE SMELL. APPLIED POWER AND FOUND THAT CABIN AND COCKPIT AIR SEEMED TO BE WORKING NORMALLY. HAD A PREVIOUS TECH CONFIRM THE AIR FLOW SEEMED NORMAL. NETJETS REP JP ELECTED TO SIGN OFF. WORK COMPLETED IN REF TO CL350 AMM 21-00-00