What was found
THE PILOT REPORTED THE FOLLOWING, DURING CLIMB AFTER TAKEOFF FROM KOMA AT APPROXIMATELY 11,000 MSL THE RIGHT ENGINE ABRUPTLY LOST POWER. TORQUE WENT TO ZERO, ITT RAPIDLY DISMINISHED. COMPLETED EMERGENCY MEMORY ITEMS PER MANUFACTURE'S CHECKLIST. SHUTDOWN AND SECURED THE RIGHT ENGINE PER THE MANUFACTURE'S CHECKLIST. DECLARED AN EMERGENCY WITH APPROACH AND RETURNED FOR A VISUAL APPROACH TO RWY 18 AT KOMA. DURING A BORESCOPE INSPECTION, ALL THE POWER TURBINE BLADES WHERE MISSING. ENGINE WAS REMOVED AND SENT FOR REPAIR. THE CAUSE FOR ENGINE FAILURE WAS COMPRESSOR TURBINE BLADE FAILURE.