As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, SHORTLY AFTER TURNING THE MAV'S ON AND THE APU COMPLETELY OFF THERE WAS A STRONG ODOR THAT SMELLED LIKE OIL. THERE WAS NO SMOKE. TURNED MAV'S TO LP AND THE ODOR WENT AWAY. R & R APU WITH UNIT REPAIRED UNIT. OPS AND LEAK CHECKED SATISFACTORY. ALL WORK IAW MM 49-11-00.