As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE CABIN PRESSURIZATION CONTINUED TO CLIMB BEYOND CABIN ALTITUDE SET. UNABLE TO CONTROL RATE OF CLIMB IN AUTO, STANDBY OR MANUAL MODES. REMOVED AND REPLACED THE FLOW CONTROL VALVE EQUIPMENT COOLING PER MM 215821. CABIN PRESSURIZATION CONTROL SYSTEM TESTED NORMAL PER 21310.