What was found
INTERMITTENT FAILURE OF THE WING ANIT-ICE SYSTEM CAUSING COCKPIT INDICATION TO GO FROM GREEN TO AMBER. SUPPORT VALVE IS STICKING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INTERMITTENT FAILURE OF THE WING ANIT-ICE SYSTEM CAUSING COCKPIT INDICATION TO GO FROM GREEN TO AMBER. SUPPORT VALVE IS STICKING.