What was found
AFTER TAKEOFF SHUT DOWN RIGHT ENGINE, DUE TO LOUD BANG AND N1 ROLLED BACK TO 62 PERCENT. FOUND METAL PARTICLES IN EXHAUST PIPE. REPLACED RIGHT ENGINE. ENGINE OPERATION CHECKED NORMAL. S/D INVESTIGATION INTO ENGINE STALL AND METAL IN EXHAUST PIPE, REVEALED FIRST STAGE TURBINE BLADE, P/N 836201, RELEASED OUTER PORTION OF AIRFOIL DUE TO FATIGUE CRACK. ENGINE WAS REPAIRED AND RETURNED TO SERVICE. (M)