As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TOILET SMOKE MESSAGE POSTED ON TAKEOFF. PERFORMED INSPECTION OF LAV FOR ABNORMALITIES, PERFORMED OPS CK'S OF PAX AT FULL POWER INSP'D APU BAY, AND CARGO BAY REF CRJ MM 26-10-00, 36-10-00. NO DEFECTS NOTED COULD, NOT DUPLICATE. AIRCRAFT OK TO CONT SERVICE AT THIS TIME.