As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 3082 LT FRONT WIND SHIELD LIGHT ILLUMINATED 3 TIMES IN 10 MINUTES. FOLLOWED QRH, COMES ON AGAIN. AIR RETURN TO MSP. MAINTENANCE COMPLETED 409 CARD 144349 REPLACED LT WINDSHIELD HEAT CONTROLLER. SEE CONTINUATION CARD 144349 FOR DETAILS. OPS CHECK GOOD.