What was found
LEFT ENGINE SHUT DOWN, AN EMERGENCY WAS DECLARED. CREW FELT COMPRESSOR STALL AT 7000 FT. DURING CLIMB OUT, WITH NO ABNORMAL ENG PARAMETERS. APPROXIMATELY ONE MINUTE LATER, ANOTHER COMPRESSOR STALL, ENGINE ROLL BACK. IAW QRH SHUT DOWN ENGINE. MAINTENANCE FOUND METAL IN TAIL PIPE. ENGINE CHANGED.