As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT PACK FLOW CONTROL VALVE OF THE TWO RIGHT PACK FLOW CONTROL VALVES (FCV) ARE NOT IN THE COMMANDED POSITION. STATUS MSG-2124102 LATCHD ER MODE. LOCKED UPPER FLOW CNTL VLV CLOSED PER MEL. REPLACED RT UPPER FLOW CONTROL AND SHUTOFF VALVE PER AMM, OPS CHECK NORMAL.