As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF OUT OF JAC WHEN TAKEOFF PWR WAS SET F/A IN AFT JUMP SEAT NOTICED BURNING ODOR LIKE BURNING OIL LASTED SEVERAL MINUTES THEN DISSIPATED. NO FURTHER ODOR REMAINDER OF FLT. FOUND APU LEAKING OIL. REPLACED APU ASSY PER M/M. OPS AND LEAK CHECK GOOD.