What was found
ON CLIMBOUT, NR 3 ENGINE OIL QUANTITY DECREASING RAPIDLY. WHEN OIL PSI WENT BELOW 40 PSI, PERFORMED IN FLIGHT ENGINE SHUTDOWN ABNORMAL PROCEDURES. FOUND PLUG ON NR 3 ENGINE OIL COOLER SUPPLY T-FITTING PARTIALLY INSTALLED/THREADS IN FITTING WERE STRIPPED. REMOVED & REPLACED T-FITTING AND ALL ASSOCIATED O-RINGS, PER P&W M/M 79-22-1. OPS & LEAK CHECK GOOD. SERVICED ENGINE OIL.