As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT EXPERIENCED FUEL STARVATION - MADE A FORCED LANDING IN A FIELD. FOUND TWO LOOSE PLUGS PN 35-921176 (UPPER AND LOWER) WERE LEAKING FUEL AND SUCKING AIR. WHEN FUEL TANKS WERE SWITCHED, THE FUEL PRESSURE WOULD DROP BELOW 5 PSI AND NEVER RECOVER. SUBMITTER SUGGESTS BRASS PLUGS BE CHECKED ON FUEL UNIT ASSEMBLY 35-921171 FOR TIGHTNESS DURING ANNUAL INSPECTIONS.