What was found
AT TAKEOFF, ENGINE 1 OR 2 COMPRESSOR STALL, YAW TO LEFT, SEVERAL LOUD BANGS. #1 ENG ACCELERATED MORE QUICKLY THAN OTHERS. ABORTED TAKEOFF WITH NO LIMITS EXCEEDED. INSPECTED BOTH ENGINE 1 AND 2 FOR DEFECTS. NO DEFECTS FOUND FOR ENGINE 2. FOUND METAL AND DEBRIS IN TAIL PIPE FOR ENGINE 1. REF WO 52350, REMOVED AND REPLACED ENGINE IAW AMM 71-00-02/401. ALL OPS AND LEAK CHECK NORMAL.