What was found
AFTER TAKEOFF, AMBER FUEL BOOST ON LIGHT ILLUMINATED. SELECTED LT FUEL BOOST SWITCH TO ON, CAS MESSAGE TURNED WHITE. PLACED SWITCH BACK TO NORM, AMBER CAS STAYED OUT REMAINDER OF FLIGHT. RAN AIRCRAFT AT IDLE & MANIPULATED WIRES AND CONNECTOR PLUGS, NO DEFECT NOTED. RAN AIRCRAFT AT IDLE, 73% N2 AND TAKE OFF WHILE MONITORING MOTIVE FLOW PRESSURES IAW MM 28-20-00, NO DEFECTS NOTED. DURING RUNS MONITORED PRESSURES AT BOOST PUMP PRESSURE SWITCH & FOUND PRESSURE AT IDLE 15 PSI, AT 73% 19PSI, AT TAKE OFF 20 PSI. CUSTOMER STATED SAME ISSUE ON RIGHT. ELECTED TO REPOSITION BOOST PUMP PRESSURE SWITCHES. REPLACED SWITCH. LEAK AND OPS CHECK GOOD. WORK DONE IAW MM 28-20-05.