What was found
ATB - FLT C1315 - ANC/TPE - NR 3 ENGINE FAILURE (FLAMEOUT) DURING CRUISE, FL 290, .84M..ENGINE VIBRATION NORMAL. ACCOMPLISHED ENGINE FAILURE SHUTDOWN CHECKLIST. AFTER CHECKLIST, N1 = 26.8, N2 = 0, F/F = 100, OIL PRESSURE = 0. FUEL DUMPED AND RETURNED TO ANC. DURING T/S, FOUND NR 3 ENGINE N2 INDICATION JUMP FROM ZERO TO 50 PERCENT AND LOUD CLUNKING SOUND HEARD COMING FROM THE CORE OF THE ENGINE. B-SUMP SCAVENGER INLET SCREEN HAS SEVERAL LARGE PIECES OF METAL. OTHER INLET SCREENS AND MAIN OIL SCREEN HAVE METALLIC PARTICLES. ENG REPLACED, S/N ON 517506. ENGINE OPERATION SATISFACTORY. (X)