As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 37000FT CABIN ALT AUTO 2 CABIN ALT AUTO 1 MASTER WARNING CABIN AUTO INOP ALL APPEARED. UNABLE TO CONTROL CABIN INITIATED DECENT MANUAL CONTROL BECAME EFFECTIVE BELOW 24000 CONTINUED DECENT TO 10000 FOUND LOWER POSITIVE PRESSURE RELIEF VALVE UNSEATED AND DEBRIS IN VALVE OPENING. REMOVED DEBRIS AND RESET INDICATOR FLAG REF AMM 21-32-01-902-091 AND PRESSURIZED AIRCRAFT REF AMM 05-51-24-702-001. ACCOMPLISHED BITE OF BOTH AUTO CABIN ALT CONTROL NO FAULTS REF AMM 21-31-00705-085