As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT, NOTICED CABIN ALTITUDE DESCENDING AT A RATE HIGHER THAN 1500 FPM. ALSO NOTICED FAULT LIGHT ILLUMINATED. CONDUCTED EMERGENCY CHECKLIST AND CABIN RATE RETURNED TO NORMAL. REPLACED CABIN PRESSURE CONTROLLER. OPS CHECKED GOOD.RETURNED TO SERVICE.