As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL INLET ADAPTOR ASSEMBLY WAS REPLACED ON THE ENGINE. SUBSEQUENT ENGINE RUN-UP AND LEAK CHECK WAS SATISFACTORY. HOWEVER, A FUEL LEAK WAS NOTED THE FOLLOWING DAY UNDER THE FUEL FLOW DIVIDER. INSPECTION DISCLOSED THAT ONE OF THE O-RINGS USED TO INSTALL THE FLOW DIVIDER TO THE ENGINE CASE WAS BROKEN. A NEW O-RING WAS INSTALLED AND NO FURTHER LEAKAGE WAS NOTED. NOTE, THE O-RING WAS NOT "PINCHED" DURING INITIAL ASSEMBLY. THE INLET ADAPTOR ASSEMBLY WAS OVERHAULED BY HERITAGE TURBINES, INC., WO RO-6427-PC12, WHO SUPPLIED THE O-RINGS.