As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PRE INSPECTION RUN UP, IT WAS NOTICED THAT THE FUEL PRESSURE WAS LOW ON THE LEFT ENGINE. THE FUEL PRESSURE WAS ADJUSTED IN ACCORDANCE WITH INSTRUCTIONS IN THE SERVICE MANUAL FOR THE AIRCRAFT WHICH RESULTED IN NO CHANGE IN THE FUEL PRESSURE ON THE GROUND RUN CHECK. THE PUMP WAS RETIRED FROM SERVICE.