As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO FAIL LIGHT ON IN AIR, CABIN ALT NOT CONTROLLABLE IN MANUAL MODE. REMOVED AND REPLACED PRESSURE CONTROLLER IAW AMM 21-31-21. CONTROLLER OPS CHECK PERFORMED IAW AMM 21-31-00 OPS TEST GOOD PERFORMED CABIN PRESSURE LEAK TEST IAW AMM 05-51-91, OPS CHECK GOOD NO LEAKS NOTED AT THIS TIME.