As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB OUT FROM CLT, AT 4,000 FT, THE NR 1 ENGINE EGT RAPIDLY CLIMBED TO 1,000 DEGREES FOLLOWED BY A COMPRESSOR STALL. CREW RETARDED THE NR 1 ENGINE THROTTLE TO IDLE AND THE EGT RETURNED TO NORMAL. ENGINE OPERATED NORMALLY. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPORTED THE NR 1 ENGINE HAS TURBINE DAMAGE. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE ASSY IAW JOB CARD JK71-00-01. ENGINE RUN GOOD.