As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O CLIMBING THROUGH 2000 FT SMOKE TOILET CAUTION CAME ON WITH A STRONG ODOR OF BURNING OIL. IN THE COCKPIT AND CABIN, SMOKE TOILET LIGHT OUT ON FINAL BUT SMOKE ODOR STAYED. ACFT RETURNED TO DEPARTURE, AFTER T/O. R & R THE COALESCER IAW AMM 21-70-10. OPS CHECK STILL NOT GOOD, FOUND THAT THE APU IS SPILLING OIL.