As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE, THE BETA TUBE WAS REMOVED FROM THE RT ENGINE. THE TUBE APPEARED TO HAVE A CRACK IN THE RADIUS JUST BELOW THE LOWER FLANGE SURFACE OF THE TUBE. NDI VERIFIED THE TUBE WAS CRACKED ALL THE WAY AROUND THE OUTSIDE DIAMETER OF THE LOWER FLANGE. (X)