What was found
AIRCRAFT WAS GROUNDED: JFK-FCO HAS AIR INTERRUPTED BACK TO JFK ACCOUNT MAINTENANCE, MULTIPLE EICAS MESSAGES. NO EMERGENCY DECLARED AND AIRCRAFT WAS NOT OVERWEIGHT FOR LANDING. THE ECAS MESSAGE WAS FOR FLAPERON, AILERON, WX RADAR, WINDSHEAR PREDICTIVE. MAINTENANCE ACCOMPLISHED FIM ON ALL SYSTEM AND FOUND NOT FAULTS.