As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT DURING FLIGHT THE CABIN PRESSURIZATION RATE DASHED. THE CREW DIVERTED THE ACFT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE CABIN PRESSURE ACQUISITION MODULE. OPS CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.