As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OPERATION OUT OF SLW THE ACFT EXPERIENCED ERRATIC AND OFF-SCHEDULE PRESSURIZATION. ACFT DIVERTED, WHERE IT LANDED WITHOUT INCIDENT. POST FLIGHT INSP WAS PERFORMED, NOTING THE STATIC HOSE TO THE CABIN PRESSURE CONTROLLER WAS DISCONNECTED, CONNECTED STATIC LINE AND PERFORMED OPS CHECK. NO OTHER DEFECT WERE NOTED. ACFT WAS RETURNED TO SERVICE.