What was found
CREW TURNED ON WINDOW ANTI-FOG AND IMMEDIATELY NOTICED SMOKE FROM NEAR WINDOW FIN, ACCOMPANIED WITH AN ELECTRICAL BURN SMELL. CONTRACT MAINTENANCE INSPECTED F/O WINDOW AND CONFIRMED THE SMOKE AND ODOR WHEN THE SWITCH IS TURNED ON. NO EVIDENCE OF SMOKE OR ODOR WHEN SYSTEM IS OFF. DEFERRED THE SYSTEM TO MEL 30-41-01A. 'M' PROCEDURES WERE COMPLIED WITH AND A PLACARD WAS INSTALLED. MAINTENANCE REPLACED THE RIGHT HAND WINDSHIELD IAW B717 AMM 56-11-00. OPERATION AND LEAK CHECKS WERE GOOD. THE MEL AND PLACARD WERE REMOVED. THE AIRCRAFT IS OK FOR SERVICE. (LP #4734082)