As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK NOT IN COMMANDED POS. UPPER FLOW CONTROL VALVE OPERATION ERRATIC. LOCKED CLOSED. REPLACED CABIN TEMP CONTROL PER MM. PERFORMED SOFTWARE LOAD PER MM. RAN PACK AND FLOW CONTROL VALVE. OPS CHECKED GOOD. ALL INDICATIONS ARE NORMAL.