As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN ALT WARNING MESSAGE. PERFORMED ON GROUND THE PRESSURIZATION WITH THE ENGINES IAW AMM 21-50-00/863-805 IN TEST NORMAL ON GROUND. PERFORMED OPERATIONAL TEST THE TWO CONTROLERS IAW AMM 21-31-16 IN FLIGHT TEST, VERIFIED THAT THE CPAM OPERATES NORMAL PRESSURIZING THE AIRCRAFT IN FLIGHT TEST NO FOUND DISCREPANCIES.