As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WE HAVE RECEIVED A REPORT CONCERNING A PROBLEM WITH THE FUEL SYSTEM. THE FUEL CHECK VALVE P/N: 222-366-687-101 WAS FOUND COMING APART. THEY FOUND THAT THE NUT HAD COME OFF OF THE POPPET ASSEMBLY AND CONTAMINATING THE FUEL FILTER, THE FUEL PUMP AND THE HMU.