What was found
WHILE ADVANCING THE POWER LEVERS TOWARD TAKE OFF POWER, THE NR 2 PROPELLER FEATHERED, THE AUXILIARY PUMP LIGHT ILLUMINATED AND THE PROP TORQUE SPIKED TO 100% FOR APPROXIMATELY 1 TO 2 SECONDS. THE TAKE OFF WAS ABORTED AND THE ACFT WAS RETURNED TO THE MX FACILITY. MX CONFIRMED THE PROBLEM AND CHANGED OUT RELAYS 6121-K1 AND 6121-K2 WITH NO FIX. MICROSWITCH 6121-S12 WAS THEN CHANGED AND SYSTEM OPS CHECKED GOOD. THE NR 2 PROPELLER ASSEMBLY WAS CHANGED AS A PRECAUTIONARY MEASURE. THE ACFT WAS THEN RELEASED FOR SERVICE.