As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT FROM OASH TO OAIX THE FLIGHT CREW COULD SMELL HOT ELECTRICAL FUMES IN THE FLIGHT DECK. THE QRH WAS COMPLIED WITH, & THE SOURCE OF THE ELECTRICAL SMELL COULD NOT BE DETERMINED. THE FLIGHT WAS COMPLETED WITHOUT FURTHER INCIDENT. FOUND LOOSE ARCED CONNECTION AT RT HAND WINDSHIELD HEAT TERMINAL BLOCK. REPAIRED CONNECTION & OPERATIONS CHECKED IAW AMM 30-40-10.