What was found
NR 2 ENGINE TREND DATA SHOWS A SUDDEN INCREASE IN LOW PRESSURE ROTOR VIBRATION LEVELS. DATA SCATTER INDICATES HARDWARE INSPECTION AND FAN RELUBE REQUIRED. ---PRIORITY TWO--- ENGINE RUN REQUIRED ETOPS SIGNIFICANT SYSTEM. GROUNDED - YES. FOUND 5 EACH RUBBER STOP ELASTOMERS ON REAR CONE RING DAMAGED. ALL 24 EACH SHIMS MISSING ABOUT 90% MOLY COATING. FOUND QUANTITY OF MOLY LUBE A BIT HEAVY, DRY & FLAKEY. REPLACED 5 EACH RUBBER STOP ELASTOMERS ON REAR CONE SPINNER AND REMOVED AND REPLACED ALL 24 SHIMS ON # 2 ENG REF T/C 78472002. ACCOMPLISHED FAN BLADE LUBE ON 32 ENG IAW TC 78472002.