As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DUE TO EMERGENCY DECLARED FOR LOW CABIN PRESSURE PLEASE VERIFY BLEED PRESSURES WITH ENGINES RUNNING. REFERENCE 8341812 LOCKING UNLOCKING UNABLE TO MAINTAIN CABIN RATE OF CHANGE OF AT LEAST -500 FEET/MINUET WITH SINGLE (RIGHT) PACK IN HIGH FLOW MODE. FOUND CONNECTOR D00964 ON RIGHT PACK FLOW CONTROL VALVE, CAPPED AND STOWED. RE-CONNECTED CONNECTOR D00964. PERFORMED AIRPLANE PACK OPERATION CONFIDENCE CHECK IAW MM-21-00-05-780-801. ALL TEST PASSED