What was found
(CAN) AT 10,000 FT. WITH POWER IN CRUISE SETTING, THE MASTER WARNING ILLUMINATED WITH A FLASH OF "LOW OIL PRESSURE RT". THE CREW OBSERVED A LOW OIL PRESSURE FROM THE RIGHT HAND ENGINE AND THEY REDUCED POWER AND ANNUNCIATOR EXTINGUISHED. THE CREW CONTINUED NORMAL OPERATIONS WITH POWER NOT ABOVE 50%. THE POST FLIGHT TROUBLESHOOTING REVEALED NO OIL IN SIGHT GAUGE. A MAINTENANCE REPAIR TEAM (MRT) IS ON THEIR WAY.