What was found
(CAN) DURING THE TAKEOFF PROCEDURE, WHEN THE PILOT PASSED FROM FLIGHT IDLE TO FULL POWER, THE PILOT HEARD A LOUD NOISE AND HE DECIDED TO REDUCE POWER AND TAXIED THE ACFT BACK TO THE TERMINAL. DURING THE ON-GROUND INVESTIGATION, THE TECH FOUND METAL IN THE EXHAUST. 1 OF THE POWER TURBINE BLADES WAS MISSING. THE CUSTOMER WILL REMOVE THE ENGINE FOR FURTHER INVESTIGATION.