What was found
ENROUTE, YELLOW M/ECU2 INDICATOR, WHITE ECU INDICATOR ABOVE THE NR 2 ENGINE TQ AND NP INDICATION FLUCTUATED FOR ABOUT FIVE MINUTES BEFORE IT RETURNED TO NORMAL INDICATION. ALTERED ROUTE FOR A DIRECT FLIGHT. SHUT DOWN ACFT AT HELIPORT AND NOTIFIED MX. REPLACED N2 PICK-UP, CURED PROBLEM.