What was found
AT CRUISE SETTING OR LOWER THE NR 2 ENGINE OIL TEMPERATURE REACHES THE YELLOW BAND AND EXCEEDED RED LINE DURING DESCENT. ENGINE WAS SHUT DOWN. WIND MILLING OIL PRESSURE WAS APPROXIMATELY 8 PSI FOR 8 MINUTES. *S/D* DURING SHOP PROCESSING THE HPT WAS DISASSEMBLED AND WAS FOUND TO HAVE EXPERIENCED A LOW GRADE OIL FIRE. THE FIRE RESULTED FROM AN OIL LEAK AT THE 4.5 HEAT SHIELD TO NR 4 BEARING HOUSING.