As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF AND ACTIVATION OF AIRFOIL ICE SMOKE HAZE FILLED CABIN AND COCKPIT AFT LAV FIRE DETECTOR ACTIVATED SMOKE DISSIPATED AFTER SELECTING ICE PROTECTION OFF.PREFORMED AIRFOIL ANTIICE OPERATION IAW AMM 30-10. NO SMOKE WAS FORMED IN CABIN NOW FUEL OIL/SWEET ODOR DID PERSIST. FOUND DE-ICE FLUID IN APU INLET. CLEANED SAME AND PERFORMED DUCT BURN.