What was found
ON CLIMBOUT, NR 2 ENG OIL TEMP WENT UP TO RED LINE, OIL PRESSURE DROPPED. LOW OIL PRESSURE LIGHT HAD NOT COME ON. CREW MADE PRECAUTIONARY SHUTDOWN ON NR 2 ENG, LANDED BACK AT BASE WITH NO FURTHER INCIDENT. OIL WAS FOUND IN TAILPIPE OF NR 2 ENG, NO OIL FOUND IN ENG INLET. REAR CARBON SEAL HAD FAILED DUE TO EROSION, VIBRATION, OR COMB. OIL COOLER WAS REPLACED, OIL TEMP RETURNED TO NORMAL RANGES. INTERNAL PARTIAL BLOCKAGE IS SUSPECTED. TEARDOWN, EVALUATION OF OIL COOLER REQUESTED. BORESCOPE OF HOT SECTION DISTRESS, CK OF GEARBOX OIL FOR CONTAMINATION, IF ANYTHING FOUND, REAR CARBON SEAL WILL BE REPLACED. (NM052004040470) (K)