What was found
FUEL PRESS LOW L AMBER CAS MESSAGE DISPLAYED IN FLIGHT. MESSAGE CYCLED REPEATEDLY UNTIL THE L BOOST PUMP WAS TURNED ON PER THE QRH. CORRECTIVE ACTION: REMOVED AIRFRAME FUEL PRESSURE SWITCH P/N 9914488-3 S/N 1927564 INSTALLED NEW SWITCH S/N 2315974 OPS CHECK GOOD IAW CE680A AMM CHAPTER 28-40-20. REMOVED ENGINE FUEL PRESSURE SWITCH P/N 9914488-2 S/N 1931819 INSTALLED NEW SWITCH S/N 2430772 OPS CHECK GOOD IAW CE680 AMM CHAPTER 73-10-05. COMPLIED WITH SATISFACTORY OPERATIONAL AND LEAK CHECKS. CLOSED AND SECURED COWLS.