As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RT AIR CONDITIONING SUPPLY TEMP HIGH LIGHT ILLUMINATED AFTER TAKEOFF WITH SMOKE IN THE CABIN. THE AIRFOIL ICE PROTECTION WAS ON. THE PACK WAS TURNED OFF AND THE SMOKE DISSIPATED. THE RT ICE PROTECTION HIGH TEMP SENSOR WAS REMOVED AND REPLACED IAW MM 30-10-6. THE ENGINES WERE RUN WITH PACKS OPERATING AND NO DEFECTS WERE NOTED.