What was found
EN ROUTE FROM CUN TO PHL, CREW REPORTED THE RT WINDSHIELD HEAT SPARKED & ARCED, THEN CRACKED OUTER PANE. RT WINDSHIELD HEAT INOPERATIVE MEMO ON ECAM. R & R RT WINDSHIELD & RT WINDOW HEAT COMPUTER IAW AMM 56-11-11-000-001-A, 56-11-11-400-001-A, 30-42-34-000-001-A & 30-42-34-400-001-A. OPERATIONS CHECKED OK.