What was found
AIRCRAFT LOST B-SYSTEM HYDRAULICS WHILE EN ROUTE. THE AIRCRAFT WAS DIVERTED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE HYDRAULIC LEAK ON THE RT ELECTRIC B-PUMP PRESSURE ACCESS PLUG. THE O-RING ON THE PLUG WAS FOUND BROKEN. THE O-RING WAS REMOVED AND REPLACED. THE B-SYSTEM HYDRAULIC RESERVOIR WAS SERVICED TO FULL PER MM 12-12-00. LEAK AND OPERATIONAL CHECKS DURING RUN OF B-SYSTEM HYDRAULIC PUMPS WERE GOOD.