As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT PACK T-S AHM PROGRAM HAS DETECTED FAULT MESSAGE 21-24101 LT UPPER FLOW CONTROL VALVE TORQUE MOTOR NOT IN CMD POSN. ACP VISUAL CK OF CONNECTORS AND LOCAL WIRING ON THE LT PACK BAY AREA, CHECKING FOR SECURITY AND OBVIOUS DAMAGE. REPLACE THE LT PACK UPPER FLOW CONTROL SOV(V21511) PCN 646-9007. ACP TEST OF UPPER FCV IAW MM. CONFIRM PARTS WITH ONLINE IPC. IF FAULT CONTINUES REF FIM21-51 TASK 817 FOR FURTHER T-S. REPLACED LT UPPER FLOW CONTROL SOV IAW AMM.