As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REMOVAL OF THE ENGINE FOR INSP, IT WAS NOTED THAT THE PORTION OF PIPE EXTENDING PAST THE WELD LINE ON THE INNER SURFACE OF THE AFT COUPLING OF THIS TUBE HAD BEEN CRACKED AWAY. THERE WAS NO INDICATION OF CRACKING ON THE OUTER SURFACE OF THE PIPE, ONLY ON THE MATERIAL INSIDE THE PIPE.