What was found
(AUS) DURING CRUISE, THE ENGINE LOW OIL PRESSURE LIGHT BEGAN TO FLICKER AND OIL PRESSURE DROPPED. GROUND INSPECTION FOUND THAT THE ENGINE HAD ONLY 2.75 LITERS OF OIL LEFT. FURTHER INVESTIGATION FOUND A SMALL HAIRLINE CRACK APPROXIMATELY 2.54 CM (1.0 INCHES LONG IN ONE OF THE OIL COOLER PN 20008A (A649-2) FINS CLOSEST TO THE INLET AND OUTLET FITTINGS ON THE OUTBOARD SIDE.