As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO PRESSURIZATION CONTROLLER FAILED AFTER T/O. ALTERNATE MODE SELECTOR CONTROLS PRESSURIZATION. GROUNDED - YES. REMOVED AND REPLACED CABIN PRESSURIZATION OUTFLOW VALVE REF AMM 21-31-03-000-801 AND AMM 21-31-03-400-801. PRESSURIZATION SYSTEM GROUND TEST GOOD REF AMM 21-31-00-700-802. MANUAL MODE OPS TEST GOOD REF AMM 21-31-00-710-801. NO FAULTS NOTED ON CABIN PRESSURE CONTROLLER #1 OR #2. NO FAULT LIGHTS ILLUMINATED.