What was found
(CAN) DURING CLIMB-OUT PHASE OF BOMBING RUN, WITH POWER LEVERS ADVANCED. CREW NOTICED HIGH TIT, LOW TORQUE AND ERRATIC RPM ON THE NR 2 ENGINE. AN ENGINE SHUTDOWN WAS EXECUTED AND THE ACFT RETURNED TO BASE. ACFT WAS 3 ENGINE FERRIED BACK TO HOME THE FOLLOWING MORNING AND THE ENGINE WAS REPLACED. ACFT WAS RETURNED TO SERVICE. THE CAUSE OF THE MALFUNCTION APPEARS TO BE FUEL SYSTEM AT THIS POINT AND THE SPECIFICS ARE UNDETERMINED.