What was found
EWR - FLT 0010 - THE NR 1 HYDRAULIC SYSTEM QUANTITY WAS LOST WHILE ENROUTE FROM IAH TO ORY. THE AIRCRAFT WAS DIVERTED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE HYDRAULIC PRESSURE LINE FROM THE LEFT ENGINE DRIVEN PUMP TO THE PRESSURE MODULE LEAKING. THE HYDRAULIC PRESSURE LINE WAS REMOVED AND REPLACED. IN ADDITION, BOTH THE LT AND RT ENGINE DRIVEN HYDRAULIC PUMPS WERE REMOVED AND REPLACED AS A PRECAUTIONARY MEASURE. THE HYDRAULIC SYSTEM WAS SERVICED. THE ENGINES WERE RUN AND LEAK AND OPERATIONAL CHECKS WERE GOOD. (X)