What was found
CLE - FLT 4273 - THE PILOT REPORTED HEARING A LOUD BANG FROM THE NR 1 ENGINE WHEN THE THRUST REVERSER WAS DEPLOYED ON LANDING ROLLOUT AND THE NR 1 ENGINE SHUTDOWN UNCOMMANDED. THE AIRCRAFT TAXIED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED A VISUAL INSPECTION, OF THE NR 1 ENGINE AND FOUND PIECES OF THE COMPRESSOR IN THE OUTER BYPASS DUCT. THE ENGINE WAS REPLACED AND ALL OPERATIONAL CHECKS WERE PERFORMED IAW CONTINENTAL EXPRESS GMM 13 SECTION 2 TASK CARD 6271001. THE AIRCRAFT WAS RELEASED FOR SERVICE. (M)