What was found
DURING CLIMB ENG NR 1 OIL LOW QTY ADVISORY CAME ON, SHOWED 2 QUARTS. ALL OTHER INDICATIONS NORMAL. IAW QRH, MONITORED QTY. ABOUT 15 MINUTES LATER, DECIDED TO DIVERT WITH POSSIBLE OIL PRESSURE FLUCTUATION. DID NOT SHUT NR 1 DOWN, PRESSURE STAYED ABOVE 40 PSI TIL LANDING. SERVICED NR 1 ENGINE WITH 24 QTS OF OIL. INDICATION IN FLIGHTDECK SHOWES 18. INSPECTED THE LUBE AND SCAVENGE PUMP OIL SCREENS REF AMM 79-21-01-04. NO CONTAMINATION NOTED. DUE TO CRACKED NR 6 BEARING SUPPLY TUBE THE ENGINE THE NR 1 ENGINE HAS BEEN APPROVED FOR REMOVAL PER POWERPLANT ENGINEERING. REMOVED AND REPLACED ENGINE PER WORKCARD 44T0101-1 AND 44T0701-1.