What was found
WHEN LEVELING FL 380, MACH SPD .84, WHILE SLOWLY REDUCING POWER, NR 1 ENGINE AUDIBLY COMPRESSOR STALLED, EPR FLUX ALONG WITH INCREASE IN EGT, AMBER/HIGH EGT LIGHT ILLUMINATED, UPON REDUCING NR 1 ENG TO IDLE, EPR CONTINUED TO FLUX, ACCOMPLISHED ENGINE FAILURE/PRECAUTINARY SHUT DOWN CHECKLIST. EGT EXCEEDED 700*C FOR 5 SECONDS, OIL PRESS NORMAL - AFTER SHUTDOWN OIL PRESS MAINTAINED 5 PSI, FUEL DUMPED. RETURNED TO AIRFIELD. T/S ENGINE PROBLEM PER FIM 71-01-00 PG 16 (12) ENGINE EGT EXCEEDED LIMITS FOR OTHER REASONS- AREA B REF 71-01-0L. FOUND ENG L/P FUEL PUMP FILTER WITH CONTAMINATION. REMOVED AND REPLACED FUEL FILTER. AIRCRAFT RETURNED TO SERVICE. 2-27-06 BOROSCOPED ENGINE, NO DEFECTS.