What was found
NR 2 ENG HAD SEVERE VIBRATION IN CLIMB FROM FL31 TO 35. LOST OIL PRESS/RT HYD PRESS AND HAD FIRE WARNING. BOTH EXT BOTTLES USED AND ALT GEAR EXT MADE. ENG HAD DRAGGING FAN AND OIL IN TAIL PIPE. REPLACED ENGINE AND ROUTED TO SHOP. ****S/D**** ENGINE SHOP DISASSEMBLY FOUND N2 CENTER TUBE FRACTURED. ALSO FOUND T2 SHAFT TWISTED. OIL FIRE INDICATIONS FOUND IN ID OF N2 ROTOR. N2 REAR HUB PREVIOUSLY MODIFIED PER EO 49-63034-3.