As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOW FUEL PRESSURE LIGHT CAME ON IN FLT, ELECTRIC BOOST PUMP WAS TURNED ON AND EXTINGUISHED LIGHT. MAINTENANCE REMOVED THE LOW PRESSURE FUEL PUMP AND FOUND THE DRIVESHAFT HAD SHEARED. THE PUMP WAS REPLACED. DISASSEMBLY OF THE PUMP DISCLOSED THAT THE POPPET VALVE SPRING P/N RA 9093 HAD FAILED AND PIECES OF THE SPRING HAD BEEN INGESTED BY THE PUMP ROTOR, SEIZING THE ROTOR. (M)