As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AD2018-10-10 DATED JUNE 12 2018 REQUIRES THE HEAT SHIELD TO BE TIGHT ON AND WELDED TO THE EXHAUST PIPE. THE HEAT SHIELD SPOTS WELDS FAILED AND THE HEAT SHIELD IS LOOSE ON THE THE EXHAUST PIPE. THE AD IS SUGGESTING THE EXHAUST PIPE ASSY SHOULD LAST AT LEAST 1500.0HRS BUT FAILED AT 20.4