What was found
ON CLIMBOUT 11,000 FT, NR 2 ENGINE OIL PRESSURE STARTED DECREASING, AT 74 PERCENT PER CPM SHUT DOWN ENGINE (PRECAUTIONARY) RETURNED TO LEJ. PERFORMED DETAILED VISUAL INSPECTION OF NR 2 ENGINE FOUND 2 STUDS ON MAIN ENGINE OIL FILTER HOUSING FAILED. INSPECTED CHIP DETECTOR FOR DEBRIS NONE NOTED. NO OTHER DEFECTS NOTED. REPLACED MAIN ENGINE OIL FILTER HOUSING IAW AMM 72-01-11. CLEANED AFFECTED AREA OF OIL LEAK, PERFORMED ENGINE TEST 2 AND 13 PAGES 515-517 AND 598.04-598.33 PER AMM 71-00-00 ALL ENGINE INDICATIONS NORMAL AND WITHIN LIMITS. NO LEAKS NOTED ENGINE SERVICED TO FULL.