What was found
(CAN) DURING CLIMB, POWER LOSS ON RT ENG AT A FREQ OF 1-2 MINS, A TOTAL OF 4 TIMES. DURING FINAL , LANDING & TAXI TO SHUTDOWN, ENG NORM. CHIP DETECTOR & FILTERS INSPD, NO FAULTS FOUND. FUEL PRESSURE OK. COMPLETE GROUND RUN PERFORMED WITH NO FAULTS. TEST FLT PERFORMED WITH NO FAULTS. PROBLEM REOCCURRED 5 WEEKS LATER. COMPLETE WIRING SYS FOR TORQUE IND SYS INSPD. CHAFED WIRE FOUND BEHIND TERM BLOCK IN RT WING ROOT. DISASSEMBLED TO EXPOSE WIRE FOR INSP. CHAFED WIRES & CHAFED PAINT ON STRUCT COULD NOT BE SEEN WITH A MAGNIFIER. VOID IN INSULATION FOUND. WIRE REINSULATED & REPOSITIONED. TORQUE IND SYS WORKS WITH MILLIVOLTS (PREAMPLIFIED). SUSPECT MOISTURE PROVIDING A GROUND PATH & TORQUE SYS SEEING AN OVRTORQUE.