As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL FLIGHT INFORMATION REVEALED RIGHT FUEL TANK WOULD RUN DRY LONG BEFORE LEFT. AFTER MANY LEAK TESTS, THE FUEL VENTS WERE SET TO FACTORY SPECS. NEXT FLIGHT INDICATED THE REVERSE OF TANKS. THE FOLLOWING FLIGHTS AND ADJUSTMENTS OF FUEL VENTS LEFT AND RIGHT HAD PRODUCED FAIRLY EVEN FUEL TANK FLOW. (X)