As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"L" VALVE AMBER WING ANTI-ICE LIGHT ILLUMINATED APON WING ANTIICE SWITCH MOVED TO ON. GROUNDED - YES. ACCOMPLISHED MM TASK 30-11-11-200-801.L. THERMAL WING ANTI-ICE HEALTH CHECK. CYCLED VALVE 3 TIMES TO CLER BLOCKAGE. ALL VALVE INDICATIONS NORMAL. NO WING ANTI-ICE FAULTS.