What was found
WINDSHIELD FAULT LIGHT ILLUMINATED APPROX 30 SECONDS PRIOR TO PILOTS SEEING CRACK IN LOWER RT COPILOTS WINDSHIELD, DECLARED EMERGENCY AND DECENDED TO A SAFE DEPRESSURIZED ALTITUDE IAW ACFT PROCEDURES, PROBABLE CAUSE BROUGHT ON BY FAILED ELECTRICAL HEATING ELEMENT IN WINDSHIELD, WINDSHIELD REPLACE AT SERVICE CENTER.