As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED LEVEL 1 ALERT - NR 2 ANTI-ICE DUCT. UNABLE TO CONTINUE TO MSP DUE TO ICING CONDITIONS. FOUND THE DI90 NR 4 DUCT OVERHEAT SENSOR SHORTER TO GROUND. REPOSITIONED OVERHEAT SENSOR. NO DUCT LEAKS NOTED. SYSTEM CHECKS NORMAL PER FIM 30-22-00-1 AWR COMPLIED WITH.