As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FLIGHT LEVEL 200, RT ENGINE SURGED FROM 56 PERCENT TO 72 PERCENT. ONLY LASTED A SHORT TIME AND CREW DID NOT HAVE TIME TO CHECK THE OTHER INSTRUMENTS. TROUBLESHOTING THE SYSTEM, REPLACED THE ENGINE HARNESS ALONG WITH LOW PRESSURE AND HIGH PRESSURE FUEL FILTERS. TORQUE PROBE WAS REPLACED AND THE EEC WAS REPLACED.