What was found
DURING FLIGHT, PILOT HAD INFLIGHT HYDRAULIC FAILURE, UPON EXECUTING THE HYDRAULIC SYSTEM FAILURE PROCEDURES, NOTICE AIR CONDITIONING SYS OUTPUT AIR BECAME WARM. THE AC WAS LANDED AT CLOSEST AIRPORT, SAFELY AND W/O FURTHER INCIDENT. UPON INSP OF HYDRAULIC AND AIR COND SYSTEM, THE SYSTEM DRIVE BELTS WERE RECOVERED. AIR COND BELT CAME APART AT SEAM WHERE TWO ENDS CAME TOGETHER. WHICH COULD POSSIBLY WHIPPED AROUND AND ENGAGED HYD BELT CAUSING IT TO BREAK, DISCONTINUING DRIVE OF HYD PUMP AND HYD SYSTEM FAILURE. NEW TYPE DRIVE BELT ON HYD PUMP HAS BEEN INSTALLED (THICKER AND MORE DURABLE BELT) AND PULLEY SYST. (WP07200413792)