What was found
TEMPERATURE CONTROL: DIVERTED DUE TO AMBER EMERGENCY PRESSURIZATION AND ACM O'TEMP CLIMBING THROUGH APROX 37,000 FT THE RIGHT ENGINE ITT BEGAN TO CLIMB RAPIDLY. PULLED BACK RIGHT THROTTLE APROX 2 FULL KNOB WIDTHS TO AVOID OVERTEMP. EVENT BUTTON WAS PUSHED. SHORTLY THEREAFTER, GOT AMBER EMERGENCY PRESSURIZATION FOLLOWED BY AMBER ACM O'TEMP MESSAGES. CABIN GOT EXTREMLY HOT. CORRECTIVE ACTION; REPLACED DEFECTIVE ACM IAW CE-680 AMM 21-51-00. LEAK AND OPS CHECK GOOD.