What was found
PHX - EMERGENCY LANDING - 4/10/01 - EN ROUTE FROM ORD TO PHX THE FLIGHT CREW GOT AN ECAM WARNING AND CAUTION LIGHT FOR THE GREEN HYD SYSTEM RESERVOIR OVERHEAT. THE CREW CALLED AN EMERGENCY LANDING; THE CREW CYCLED THE GREEN HYD SYSTEM SWITCH AND THE GREEN SYSTEM FUNCTIONED NORMALLY AND THE WARNINGS CLEARED AS WELL. AN UNEVENTFUL LANDING. MAINTENANCE PERFORMED HYDRAULIC INTERNAL LEAK CHECK WHICH CHECKED GOOD. PERFORMED CONTINUITY CHECK THAT CHECKED GOOD. THE GREEN HYD SYSTEM LOW PRESS AND HIGH PRESS FILTERS WERE REMOVED AND REPLACED. NO DEBRIS WAS FOUND IN EITHER FILTER.