As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) INCONSISTENCIES IN FUEL PRESSURE, FUEL PRESSURE WAS CHECKED AND FOUND THAT THE LOW SIDE OF THE ELECTRIC FUEL PUMP WAS NEAR NIL. HIGH SIDE WAS 5.5. THE FUEL PUMP FAILURE IS BELIEVED TO BE CAUSED BY THE AIRCRAFT BEING OUT OF SERVICE FOR LONG PERIOD OF TIME 15-16 MONTHS. FUEL TANK WAS HALF FULL DURING THIS TIME. THE FUEL SYSTEM PRESSURE HAD BEEN CHECKED ON ENGINE INSTALLATION AND WAS FOUND TO BE WELL WITHIN LIMITS.