What was found
TPA - FLT 1029 - EN ROUTE DCA-MIA - AT 33,000 FEET, NR 1 OIL TEMP WENT INTO CAUTION ZONE AND OIL QTY DECREASED TO 1 GALLON. OIL QTY CONTINUED TO DECREASE, OIL TEMP STAYED IN THE CAUTION FOR 15 MINUTES AND NR 1 ENGINE WAS SHUTDOWN. DELCARED AN EMERGENCY AND DIVERTED TO TPA. LANDED TPA WITHOUT INCIDENT. REPLACED NR 1 ENGINE, SYSTEM GROUND CHECKED NORMAL OPERATION. THE CAUSE FOR ENGINE REMOVAL AND SHUTDOWN WAS FAILURE OF THE 4/5 SCAVENGE PUMP. AT ENGINE TEAR DOWN, THE 4/5 SCAVENGE PUMP HOUSING ASSY MOUNTING BOLTS WERE FOUND LOOSE. FINDINGS DURING DISASSEMBLY REVEALED ONE EACH MOUNT BOLTS LYING IN THE NR 4 BEARING HOUSING WITH SAFETY WIRE BROKEN, AND THE OTHER TWO MOUNT BOLTS WERE HAND TIGHT. (M)