As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PACK FCV L (1) (BUT NOT BOTH) OF THE (2) LT PACK FLOW CONTROL VALVES (FCV) ARE NOT IN THE COMMANDED POSITION. STATUS CREW COMMENTS: PACK FCV L REPEAT WRITEUP MSG-2124001 LATCHED CL MODE. LT LOWER FCV CLOSED. RT PACK OPS NORMAL AND OZONE CONVERTER. REPLACED VLV FOR LT LOWER FCV IAW MM. GROUND TEST, SYS AIR ON TEST PASS.