What was found
TEMP CONTROL VALVE, SN 0097 WAS INSTALLED TO RECTIFY ISSUE WITH ORIGINAL, SN 1691. WHILE PERFORMING GROUND RUNS AND TESTS, THE TEMP CONTROL SYSTEM SEEMED TO BE IN FULL HOT MODE. THE DUCT OVER-TEMP PROTECTION SWITCH SHUT THE SYS DOWN AND DISPLAYED A CAS MESSAGE, LOW INFLOW". FURTHER TROUBLESHOOTING REVEALED THE PROBABLE CAUSE TO BE THE VALVE WIRED BACKWARDS. VALVE, SN 0097, HAS 0.0 HRS SINCE REPAIR. A REPLACEMENT VALVE PROCURED, CONDITIONS NORMAL.