What was found
DFW/DFW - FLT 224 - ON CLIMB-OUT AT APPROXIMATELY 5,000 FEET, THE CREW HEARD A LOUD BANG, MODERATE VIBRATION WAS FELT AND N1 READING DROPPED TO APPROXIMATELY 60 PERCENT. CREW SHUT DOWN NR 2 ENGINE. SUBSEQUENT TO ENGINE REMOVAL, ENGINE WAS BORESCOPED TO DETERMINE THE CAUSE OF FAILURE AND EXTENT OF DAMAGE. BORESCOPE FINDINGS REVEALED 1ST STAGE TURBINE BLADE FAILURE WITH RESULTANT LPT TURBINE BLADE AND VANE DAMAGE (FAILURE WAS CONTAINED). BORESCOPE FINDING OF THE HPC 6TH STAGE AND HPC 7TH AND 13TH STAGES WERE NORMAL. ENGINE CHANGE IN PROCESS.