As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, PASSENGERS REPORTED SUDDEN AND EXCESSIVE RISE IN CABIN TEMPERATURE. PILOT`S REPORTED TO TOWER THEY WERE RETURNING TO DEPARTURE AIRPORT. TROUBLESHOOTING RESULTED IN THE REPLACEMENT OF THE CABIN TEMPERATURE CONTROL VALVE. ALTHOUGH SMOKE IN CABIN WAS INITALLY MENTIONED, FURTHER INVESTIGATION REVEALED THERE WAS NOT ANY SMOKE, ONLY A TEMPERATURE INCREASE. (K)