What was found
RIGHT ENGINE OIL PRESSURE LOSS IN FLIGHT, SHUT DOWN ENGINE AT 40 PSI.///OIL DIPSTICK ON RH ENGINE UNLOCKED AND LIFTED FROM OIL FILLER NECK. CLEANED ENGINE BAY, WING, FUSELAGE, AND TAIL. INSPECTED OIL FILTER FOR METAL. NO DEFECTS. FILLED RH ENGINE WITH 8 QUARTS OF AEROSHELL 500, PERFORMED GROUND RUN. ITT, OIL PRESSURE, TORQUE ALL WITHIN OPERATING LIMITS. REMOVED AND RE-INSPECTED OIL FILTER AND FOUND NO SIGN OF METAL OR OTHER CONTAMINANTS. INSPECTED OIL DIPSTICK LOCKING FEATURES FOR DAMAGE AND WEAR - NO DEFECTS NOTED. VERIFIED PROPER OPERATION OF DIPSTICK LOCKING FEATURE, VERIFIED PROPER SEALING OF DIPSTICK O-RING. REFERENCE P&W PT6A-36 MM 79-00-00 AND 79-20-02