What was found
(CAN) THE AIRCRAFT WAS STARTED AND TAXIED TO THE RUNWAY, BOTH STARTS HAD NO ABNORMAL INDICATIONS. AT THE RUNWAY THRESHOLD WHILE HOLDING THE BRAKES, THE PILOT APPLIED APPROXIMATELY 80 PERCENT TAKEOFF POWER AND BEFORE THE BRAKES WERE RELEASED, NR 2 ENGINE LOST POWER. THE NR 2 ENGINE DID NOT COMPLETELY SHUT DOWN BUT WENT TO APPROXIMATELY 26 PERCENT N1, AFTER A FEW SECONDS THE OIL PRESSURE BEGAN TO DROP. COMPLETED SHUTDOWN OF NR 2 ENGINE. ONCE THE COWLING WAS REMOVED MAINTENANCE NOTICED THE FUEL TRANSFER TUBE AT THE FLOW DIVIDER WAS LEAKING. THE FLOW DIVIDER & TRANSFER TUBES WERE REMOVED AND INSPECTED WITH NO VISIBLE DEFECTS NOTED. THE TRANSFER TUBES AND FLOW DIVIDER WERE REPLACED WITH NEW O-RINGS. GROUND RUNS/LEAK CHECKS WERE CARRIED OUT WITH NO LEAKS EVIDENT. THE AIRCRAFT WAS RETURNED TO SERVICE.