As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL INFLIGHT T531/13NOV - NUMBER ONE ENGINE HAD MULTIPLE COMPRESSOR STALLS DURING CLIMB. RETURNED TO STL AND LANDED WITHOUT INCIDENT. DISCOVERED DISBONDED LINING IN TAIL PIPE. REPLACED NUMBER ONE ENGINE ON 14 NOV 2007 AT STL. REPLACED LEFT ENGINE ISOLATORS. SYSTEM GROUND CHECKED NORMAL OPERATION.