What was found
(CAN) DURING TAKEOFF, PILOT REPORTS N2 DROOP FROM 100 PERCENT TO 98 PERCENT. PILOT TRIED TO ACTUATE THE GOVERNOR BACK TO 100 PERCENT, AT THAT POINT IT DROPPED FURTHER TO 95-96 PERCENT. PILOT ENTERED AUTO ROTATION AND LANDED ON A LOGGING ROAD. NO DAMAGE TO ACFT. MAINTENANCE CREW WAS FLOWN IN, PART, GOVERNOR, WAS REPLACED AND ACFT RETURNED TO SERVICE.