As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE HAD MULTIPLE COMPRESSOR STALLS ON INITIAL CLIMBOUT. EGT PEAKED OUT AT 903 DEGREES. AFTER PULLING BACK POWER LT ENGINE RAN 50 DEGREES HOTTER THAN RT ENGINE. BOROSCOPED ENGINE FOUND HPC BLADES OUT OF LIMITS. ENGINE SCHEDULED FOR REPLACEMENT 09-19-06. HPC DAMAGED FOUND WITHIN LIMITS, EGT EXCEEDANCE AND COMPRESSOR STALL CAUSED BY TPU, REPLACED TPU, OPS NORMAL.