As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, HAD A PACK FLOW DISAGREE FOLLOWED BY RT BLEED AIR FAIL PRESSURE REGULATOR AND SHUTOFF VALVE (PR). REACTIVATED RT PRSOV FOUND MUSSLE FROM PRSOV PILOT VALVE TO FAN AIR VALVE. REMOVED AND REPLACED AIR LINE LEAK AND SECURITY CHECK GOOD. REMOVED AND REPLACED RT P/M SENSOR IAW AMM 36-12-04.