What was found
APPROXIMATELY 2 MINUTES INTO THE FLIGHT, MASTER CAUTION ILLUMINATED ALONG WITH ENG II LOW LIGHT, N1 OF NR 2 ENGINE OSCILLATED BETWEEN 60 PERCENT AND 70 PERCENT. TORQUE OF NR 2 ENGINE OSCILLATED BETWEEN 20 PERCENT AND 24 PERCENT. PILOT PERFORMED RUN ON LANDING WITHOUT FURTHER PROBLEMS. MAINTENANCE PERFORMED NUMEROUS CHECKS TO DETERMINE CAUSE OF PROBLEM. ALL PARAMETERS WITHIN MANUFACTURERS LIMITS, NO DEFECTS FOUND. ALL COMPONENTS OPERATING NORMAL.