As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COMPLETE AUTO MANUAL PRESSURIZATION FAILURE. CABIN PRESS LIGHT ILLUMINATED. CABIN CLIMBED ABOVE INDICATED ALTITUDE AND INDICATED 4000-6000 FPM CLIMB IN AUTO AND MANUAL PRESSURE MODE. SYSTEM OP CHECKED GOOD IN MANUAL MODE ON GROUND RUNS, AUTO MOD PLACED ON MEL.