As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEPARTED BASE FOR A SCENE FLIGHT AT 16:06. LANDED ON SCENE AT 16:35. AFTER AN EXTENDED RUN TIME ON THE GND SHUT DOWN THE ENG TO SAVE MY FUEL FOR THE MISSION. AFTER LOADING THE PATIENT IN THE ACFT THE ENG FAILED TO RESTART. IT REACHED 210 RPM & ACTED AS IF IT WAS A HUNG START. START ABORTED & ACFT CALLED & NOTIFIED MECHANICS. MX FOUND THE FUEL VLV TO BE FAULTY. THE PART WAS REPLACED & THIS ACFT RETURNED TO SERVICE WITH NO FURTHER DEFECTS NOTED.