As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT AT FL370 THE ACM OVERHEATED FOLLOWED BY ACTIVATION OF EMERGENCY PRESSURIZATION . EMERGENCY DECLARED, AIRCRAFT DIVERTED TO CRW AND LANDED SAFELY. REMOVED & REPLACED ACM OVERHEAT SWITCH AND OPS CHECKED GOOD IAW CESSNA 560XL M/M CHAPTER 21-51-00.