What was found
PILOT REPORTED THAT, IN CRUISE FLIGHT, WHEN SLOWLY INCREASING POWER FROM 93 PERCENT NG, PILOT PERCEIVED THAT ACFT EXPERIENCED A YAW/TORQUE KICK. DURING OCCURRENCE, NO GOV LIGHTS ILLUMINATED, NOR WERE ANY GOV LIGHTS ILLUMINATED DURING SHUTDOWN, DURING NORMAL LANDING. NO FAILURE CODES WERE RECORDED ON VEMD. ON THE FADEC DATA PAGE REVIEWED ON VEMD, COLLECTIVE PITCH DATA WAS OBSERVED TO BE NORMAL. NO OVERLIMIT WAS RECORDED. ACCESS WAS GAINED TO COLLECTIVE PITCH POTENTIOMETER. WIRING WAS INSPECTED, POTENTIOMETER CONNECTOR REMOVED, INSPECTED, CONTACT ENHANCER WAS APPLIED, AND CONNECTOR WAS REATTACHED. NO DEFECTS WERE NOTED. SECURED ACCESS, CLEARED DISCREPANCY IN LOGBOOK. PERFORMED FUNCTIONAL CHECK FLIGHT FOR 24 MIN, IN VARIOUS FLIGHT CONFIGURATIONS. NORMAL OPS WERE OBSERVED. MALFUNCTION COULD NOT BE DUPLICATED.