What was found
MSP - FLT 33 - EN ROUTE PHL-SEA - WHILE IN CRUISE FLIGHT, AT FL350, THE RIGHT WINDSHIELD STARTED ARCING FROM THE LOWER CORNER TO THE UPPER LEFT CORNER. THE CIRCUIT BREAKERS FOR THE WINDSHIELD WERE PULLED, BUT THE ARCING CONTINUED UNTIL THE OUTER LAYER OF WINDSHIELD SHATTERED. FLIGHT DIVERTED TO MSP AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE FIRST OFFICERS WINDSHIELD. OPERATIONALLY CHECKS OK. ALSO, REPLACED THE WINDSHIELD HEAT COMPUTER AS A PRECAUTIONARY MEASURE. (M)