As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIC - FLT 4128 - DURING CLIMB AT ABOUT 10,000 FEET, CREW NOTED FIRST OFFICER WINDSHIELD ARCING SHORTLY AFTER HEAT WAS SELECTED OFF THE WINDSHIELD STARTED TO SHATTER. AN EMERGENCY WAS DECLARED AND AIRCRAFT LANDED WITH NO FURTHER PROBLEMS REPORTED. MAINTENANCE REMOVED AND REPLACED THE WINDSHIELD IAW EMB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)