What was found
(CAN) DURING CRUISE, THERE WAS A LOW OIL QUANTITY INDICATION WITH NORMAL OIL PRESSURE AND TEMPERATURE INDICATIONS. OIL QUANTITY INDICATION SLOWLY REDUCED TO ZERO BUT TEMPERATURE AND PRESSURE REMAINED NORMAL. HALF AN HOUR LATER OIL PRESSURE INDICATION BEGAN TO FLUCTUATE IN TO THE YELLOW BAND. THE ACFT DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED AN OVERWEIGHT LANDING INSPECTION AND FOUND A FAILED FUEL PUMP DRIVE PAD AGB SEAL. THE AGB SEAL WAS REPLACED AND LEAK CHECKED AND THE ACFT WAS RETURNED TO SERVICE.