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 ON STATUS PACK OFF. ON STATUS RESET TWICE, NO HELP. UPPER VALVE INOP. REPLACED RT PACK UPPER FLOW CONTROL VALVE NOT IN COMMANDED POSITION, LOWER FLOW CONT VALVE CYCLING. REPLACED UPPER FLOW CONTROL VALVE AND FLOW SENSE MODULE. PACK OPERATION NORMAL & TESTS OK.