As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IT WAS NOTED THAT FUEL FLOW THROUGH THE LINE WAS IRREGULAR. THE LINE HAD BEEN DISCONNECTED FROM THE FUEL PUMP. CUTTING THE LINE FOR FURTHER INVESTIGATION SHOWED IT TO HAVE SWOLLEN INSIDE AND THEREBY RESTRICTING FUEL FLOW. SUBMITTER STATES THAT THE AIRCRAFT HAD BEEN USING MOGAS FOR THE PREVIOUS THREE WEEKS.