What was found
ON DESCENT NR 3 ENG VIBRATED N1 & N2 DROPPED, EGT FLUCUATED BETWEEN 640-680 DEG. SHUTDOWN OF ENG 3 PER QRH. MX COMPLETED VARIOUS INSPECTIONS, BORESCOPES & INSTALLED 3 ENGINE FERRY KIT. REMOVED CARD FOR DOWNLOAD, INSTALL & DOWNLOAD ON NEW CARD. DOWNLOADED A/C INFO ONTO NEW FADAMS CARD. VERIFY TEMP & DURATION OF NR 3 ENG. NR 3 ENG TEMP WAS 691 FOR 208 SECONDS. INSPECT NR 3 ENG OIL CHIP DETECTOR. REMOVED, INSPECTED, RE-INSTALLED CHIP DETECTOR. NO CONTAMINATION. INSPECT EXHAUST FOR METAL. INSPECTED NR 3 EXHAUST, NO METAL CONTAMINATION. FAN ROTATES FREELY, WITH NO INDICATION OF AUDIBLE DEFECTS. BORESCOPE LAST TWO EXHAUST STAGES FOR METAL. REPLACED ENG REF WORK BACKAGE DATED 11-25-03, ALL CHECKS GOOD.