As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 ENGINE SHUTDOWN IN FLIGHT ON FINAL APPROACH HAD A COMPRESSOR STALL WITH DESCENT POWER ON WITH A IMMEDIATE RAPID RISE IN EGT. SHUTDOWN EGT SHOWS MAX 914. FELT COMPRESSOR STALL AND HEARD LOW RUMBLE AFTER THRUST LEVER RETARDED TO FLIGHT IDLE. REMOVED AND REPLACED NR 4 ENGINE PER B747 TC 50 00.