What was found
WHILE REPAIRING DAMAGE CAUSED BY EXHAUST STACK FAILURE, FOUND OUTBOARD END OF ADAPTER UPPER SIDE BURNED AND MELTED APPROXIMATELY 3 INCHES. MATERIAL MIGRATED INTO INDUCTION HEAD VALVE AND FUEL INJECTOR SERVO. REPLACED ADAPTER ASSY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE REPAIRING DAMAGE CAUSED BY EXHAUST STACK FAILURE, FOUND OUTBOARD END OF ADAPTER UPPER SIDE BURNED AND MELTED APPROXIMATELY 3 INCHES. MATERIAL MIGRATED INTO INDUCTION HEAD VALVE AND FUEL INJECTOR SERVO. REPLACED ADAPTER ASSY.