As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SELECTING WING ANTI-ICE ON RECEIVED AN ANTI-ICE DUCT MESSAGE. RETURNED TO SLC. REMOVED AND REPLACED RIGHT WING THERMAL SWITCHES FOR OUTBOARD RIGHT WING SEGMENT P/N 60159320-1. INSPECTED PICCOLO TUBE FOR OUTBOARD AND MIDDLE WINGS, NO CRACKS NOTED. RAN WING ANIT-ICE, NO LEAKS NOTED AT REMOVED SECTIONS. WING ANITI-ICE CHECKS GOOD ON GROUND RUN UP.