What was found
FLT 1314 - DEN - THE CREW NOTICED THE RT ENGINE LOW OIL PRESSURE LIGHT CAME ON. AS THE OIL PRESURE STARTED TO DECAY TOWARDS 0 PSI, THE CREW SHUT DOWN THE ENGINE AND FEATHERED THE PROP. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. THE PROP GOVERNOR OIL SUPPLY LINE GOING TO THE 4 WAY FITTING WAS CHAFING AGAINST THE REAR TURBINE PRESSURE OIL LINE. THE LINES CHAFED UNTIL A HOLE DEVELOPED. LINE PART NUMBERS, 310880-1 PROP GOV OIL LINE, 3103578-1A REAR TURBINE OIL PRESSURE LINE. BOTH LINES WERE REPLACED, OIL WAS RESERVICED, AND ENGINE RUN AND LEAK CHECK WERE PERFORMED. LEAK CHECK WAS GOOD, NO FURTHER DEFECTS NOTED. THE RE-INSPECTION OF THIS AREA WITH SPECIAL EMPHASIS ON THE DEFECT WILL BE COMPLETED ON ALL