As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON SHORT FINAL, LT ENGINE STARTED TO SURGE, TORQUE FLUCTUATING BETWEEN 200-1200 LBS, ITT RISING RAPIDLY TO 900 DEGREE`S. THE POWER WAS REDUCED TO IDLE AND LANDED NORMALLY. TAXIED IN ON IDLE POWER AND SHUTDOWN ENGINE. MX FOUND 1 STAGE COMPRESSOR RUBBING ON HOUSING AND EXCESSIVE FREE PLAY IN COMPRESSOR SECTION OF ENGINE. ENGINE WAS REMOVED AND RETURNED TO O/H FACILITY FOR DISASSEMBLY AND INVESTIGATION OF THE FAILURE.