As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB CREW RECEIVED A DUCT OVERHEAT AND LOSS OF TEMPERATURE CONTROL. EMERGENCY PRESSURIZATION SYSTEM ACTIVATED AND CAUSED NOXIOUS ODOR IN THE CABIN. THE CREW HANDLED USING CHECKLIST AND LANDED WITHOUT FURTHER INCIDENT AT DESTINATION AIRPORT. MAINTENANCE IDENTIFIED THE AIR CYCLE MACHINE COOLING TURBINE HAD FAILED.