What was found
(CAN) PILOT NOTICED ON PREFLIGHT GROUND CHECK THAT HIS N2 DROOP COMPENSATOR, BEEP RANGE, WAS WRONG, 103-94 PERCENT N2, INSTEAD OF REQUIRED 101-96 PERCENT AND NOTIFIED MAINTENANCE STAFF. MAINTENANCE RESET, BEEP RANGE AND INSTRUCTED PILOT TO CHECK AGAIN UPON RUN-UP. BEEP RANGE WAS FOUND TO BE 106-90 PERCENT AND ON INSPECTION MAINTENANCE FOUND THAT THE ACTUATOR ROD HAD WOUND ITS WAY FULLY OFF THE ACTUATOR MOTOR. SUSPECTED LIMIT SWITCH FAILURE. LINEAR ACTUATOR ASSY WAS REPLACED WITH A SERVICEABLE COMPONENT, AND NO FURTHER DIFFICULTIES WERE ENCOUNTERED.