As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK WILL NOT SHUT OFF. CHECKED AIR CONDITION MAINT DISPLAY PAGE AND VERIFIED NO CLOSURE ON UPPER FLOW CONTROL VLV WHEN SW'D OFF. RT PACK OPS OK WITH CORRECT INDICATIONS. ITEM ROLLED FORWARD. LEFT UPPER FLOW CONTROL VALVE INOP IN CLOSED POSITION. DUE NO PREVIOUS HISTORY, SYSTEM RE-ESTABILISHED, CHECK DONE BY FIM. ALSO OPERATION CHECK DONE, NORMAL CONDITION, NO FAULT FOUND.