What was found
NR 2 TORQUE FLUCTION ON CLIMBOUT. THEN DURING CRUISE TORQUE DROPPED BY 50 PERCENT WITH NO ACCOMPANIED INDICATION. NR 2 ENGINE MANUAL CAUTION LIGHT DID NOT ILLUMINATE, CREW CYCLED NR 2 ECU TO MANUAL. ENGINE OPERATIONS NORMAL IN MANUAL MODE. CHECKED TORQUE PROBE RESISTANCE AND CHARACTERIZATION OF PLUGS FOR PROP CLASS AND CONTINUITY. CLEANED EEC, HMU AND TORQUE PROBE CONNECTORS. REF CARD 72-01-10X. CHECKED EEC INPUTS FOUND HMU POT ERRACTIC. R & R HMU IAW CARD 73-20-01R, RUN CHECKED GOOD.