As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN PRESSURIZATION WARNING DURING CLIMB OUT. ACCOMPLISHED CABIN PRESSURIZATION WARNING CHECKLIST. CABIN PRESSURIZATION WORKS WELL IN MANUAL MODE. CABIN AUTO PRESSURE CONTROL INOPERATIVE. REMOVED FROM SERVICE. REMOVED AND REPLACED THE CABIN PRESSURE CONTROLLER IAW AMM 21-31-06-000-801/400-801. OPS CHECKED GOOD.