As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED. FLIGHT DIVERTED DUE TO CABIN TEMPERATURE WAS EXTREMELY HOT. REMOVED AND REPLACED THE ZONE TEMPERATURE CONTROL TRIM AIR PRESSURE REGULATOR AND SHUTOFF VALVE ASSEMBLY IAW AMM 21-62-01. OPS CHECKED GOOD. AIRCRAFT WAS GROUNDED.