What was found
ON INITIAL START IN AFCU POSITION, RUN-UP AND SUBSEQUENT THROTTLE BACK TO FLT IDLE. NR 2 ENG N1 WAS OBSERVED 49 PER CENT. WHEN THROTTLE WAS ADVANCED, 100 PER CENT NR 2 WAS ACHIEVED PRIOR TO REACHING HIGH SIDE STOP ON THROTTLE TWIST GRIP (LINEAR ACTUATOR WAS IN FULL DECREASE POSITION) PILOTS OBSERVATION WAS THAT THROTTLE POSITION AT 100 PER CENT NR2 AND FLT IDLE DUP THESE FINDINGS. OBSERVATIONS WERE IDENTICAL WHEN SOLONOID WAS CHECKED AND FOUND OPERATIVE. DUE TO HIGH SIDE MALFUNCTION, NR 2 GOVERNOR WAS REMOVED AND INSTALLED ON NR 1 ENG. ALL NR 1 PARAMETERS CHECKED NORMAL. A REPLACEMENT AFCU WAS INSTALLED ON NR2 ENG, AND THE AFFECTED ENG MAINTND FUEL SCHEDULING ABNORMALITIES. FLT CKS OK, RETURN TO SERVICE.