What was found
THE PILOT REPORTED THAT ON APPROACH, AT 500' AGL WITH BOTH TORQUES AROUND 750LBS THE RT ENGINE CYCLED INTO AND OUT OF FEATHER TWICE, ADDED POWER TO 1500LBS AND IT STOPPED. MX FOUND LT ENGINE HIGH & LOW TORQUES OUT OF RIG, RERIGGED POWER LEVERS IAW AIM 7.2.4 & 7.2.5, OPS CHECKED GOOD.