What was found
WITH WINDSHIELD HEAT IN NORM, OUTSIDE AIR TEMP -7C, "WSHLD HOT" CAUTION ILLUMINATED IAW CHECKLIST, WINDSHIELD HEAT WAS PLACED IN "WARM UP" MODE. ABOUT 15 MIN LATER, "WINDSHIELD HOT" CAUTION ILLUMINATED AGAIN WITH OUTSIDE AIR TEMP +2C. DIVERTED FOR REPAIRS. C/W FIM TASK 30-40-00-810-801. NO FAULTS FOUND IN CDS. C/W OPS TEST IAW AMM 30-41-00-710-801/-802. UNABLE TO DUPLICATE DISCREPANCY. C/W RESISTANCE CHECK OF BOTH WINDSHIELDS IAW AMM 30-41-00-760-801. NO DEFECTS NOTED. INSPECTED CONTACTS ON RELAYS 3041-K1, K2, K3 AND K4. NO DEFECTS NOTED ON 3041-K2 AND K4. FOUND BURNT CONTACTS ON 3041-K1 AND K3. R & R 3041-K1 AND K3 IAW AMM 30-41-01-000-802/400-802. OPS CHECKS GOOD. NO FURTHER DEFECTS NOTED. NO CDS FAULTS AFTER OPS CHECK. RETURNED TO SERVICE.