What was found
(CAN) DURING CLIMB AND CRUISE, THE FLIGHT CREW NOTED THE NR 4 ENGINE OIL QTY WAS LOW, INDICATING TWO GALLONS, A LOSS OF SIX GALLONS. NO SIGN OF FLUID LEAK WAS NOTED BUT A PRECAUTIONARY SHUTDOWN OF THE AFFECTED ENGINE WAS CARRIED OUT. DISCOVERED & REPAIRED A BROKEN WIRE AT THE NR 4 ENGINE OIL QTY TRANSMITTER, CORRECTING THE PROBLEM. NO LOSS OF OIL WAS NOTED. ACFT WAS RETURNED TO SERVICE.