What was found
(CAN) AFTER DEPARTURE #2 ENGINE TORQUE ROLLED BACK 16 % TWO SEPARATE TIMES WITH NO ECU LIGHT. TORQUE INDICATION RETURNED TO NORMAL AFTER A FEW SECONDS. MOMENTARY DROP IN R/H PROP RPM ALSO OBSERVED. AIRCRAFT CONTINUED TO DESTINATION WITH NO FURTHER ISSUES. PER MAINTENANCE TROUBLESHOOTING THE FOLLOWING COMPONENTS WERE REPLACED. R/H ENGINE ELECTRONIC CONTROL CYCLES: 39746 TSN: 38787:24, TSO: 14230:24, TSR 4:40 AND ENGINE CABLE HARNESS . ENGINE ELECTRONIC CONTROLS WERE THEN SWAPPED FROM THE L/H TO R/H ENGINES. AFTER INITIAL POST MAINTENANCE ENGINE RUNS THE R/H ENGINE TORQUE SIGNAL CONDITIONING UNIT, CYCLES: 32114, TSN/TSO: 28338:4, TSR: 4:40 WAS ALSO REPLACED DUE TO #2 TORQUE INDICATOR FLUCTUATING AT HIGH POWER SETTINGS WHILE IN MANUAL MODE. SUBSEQUENT POST MAINTENANCE RUNS AND FUNCTION CHECKS WERE COMPLETED FOR REPLACED COMPONENTS PER AMM 71-00-00 WITH NO FAULTS FOUND. AIRCRAFT HAS SINCE COMPLETED NUMEROUS FLIGHTS WITH NO REPORTED REOCCURRENCE. AFTT 64822:40, CYCLES: 65733 (TC# 20190604014)