What was found
TEMP CONTROL SYSTEM SENT SIGNAL TO TEMP CONTROL VALVE TO GO FULL HOT. DUCT TEMP SWITCH FAILED TO ILLUMINATE ECS LIGHT AND SHUT DOWN SYSTEM. CHANGED DUCT TEMP SWITCH AND TEMP CONTROLLER, SYSTEM OPS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
TEMP CONTROL SYSTEM SENT SIGNAL TO TEMP CONTROL VALVE TO GO FULL HOT. DUCT TEMP SWITCH FAILED TO ILLUMINATE ECS LIGHT AND SHUT DOWN SYSTEM. CHANGED DUCT TEMP SWITCH AND TEMP CONTROLLER, SYSTEM OPS GOOD.