As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH WING ANTI ICE LIGHTS ULLUM VALVE IN FLIGHT CYCLED TWICE, NO RESOLUTION. GROUNDED - YES. ACCOMPLISHED WING THERMAL ANTI ICE VALVE OPS TEST MULTIPLE TIMES ON L/H AND R/H VALVES NO DEFECTS NOTED AMM 30-11-11 NO 30 DAY HISTORY FALUT CONDISDERED INTERMITTENT A/C OK FOR SERVICE.