What was found
ENG FAIL AT 18000 FEET RIGHT ENGINE SEVERE DAMAGE EGT 668 CREW DEBRIEF. THROUGH 16000FT R ENG HIGH EGT 668, HIGH ENG VIBS, NO N2 ROTATION. ENGINE SHUTDOWN INFLIGHT AND FIRE HANDLE PULLED BUT NO BOTTLES FIRED (NO FIRE WARNING). PASSENGER REPORTED FLAMES FROM R ENGINE EXHAUST, AIRFRAME VIB AT POINT OF FAILURE. 7000LBS OF FUEL JETTISONED. ALL OTHER OPS WERE NORMAL DURING EVENT AND ON RETURN TO LHR FOUND METAL FRAGMENTS IN TAILPIPE. NO DMG NOTED TO AILERON, FLAPS OR STAB R ENG SURGE STS. EXEEDANCE. EGT HIGH. EPR, N1, N2, FF, BURNER PRESS ALL DOWN COMPARED TO E1 AND CMD EPR. OIL PX AND QTY GOOD. N1 VIBS-3.2, N2 VIBS-1.3, BB VIBS-1.8. FOUND N2 SEIZED AT G/BOX DRIVE PAD - UNABLE TO TURN N2 MANUALLY.