What was found
RECEIVED LT ENG OIL PRESSURE WARNING MESSAGE, OIL PRESSURE INDICATED BETWEEN 25-33 PSI, REDUCED THRUST AND OIL PRESSURE INDICATED 40 PSI, MESSAGE REAPPEARED IN 30 SECONDS, OIL PRESSURE INDICATED 25-35 PSI, SHUTDOWN ENG FOR REMAINING 15 MINUTES OF FLIGHT. DID NOT LAND OVERWEIGHT, BRAKE TEMPS NORMAL. REMOVED AGB ON LT ENG, SPLIT CASE AND VERIFIED METAL WAS CAUSED BY 2 BEARINGS. INSTALLED NEW AGB REF EMM 72-00-00. REINSTALLED FUEL PUMP AND MFG IAW EMM 72-00-00. OPS CK AND LK CK GOOD REF 223408/3 AND 223409/1 AND 2 FOR LRU. OPS CK AND INSTALL.