What was found
DURING CLIMB LT ENGINE VIB (FAN ) REACH 4.7 AT CRUISE VARIED FROM 1.4 TO 1.7 EVENT RECORD AT 1705Z REPAT WRITE UP. REFERENCES ITEM M9 FOR FAN BLADE RELUBE AND REMAPPING PERFORMED VIBRATION SURVEY TEST NR 6 IAW AMM 71-00-00 ENG VIBRATION WITHIN LIMITS ACCEPTANCES A/C OK FOR SVC AT THIS TIME. REMOVED & RE LUBE AND RE INSTALLED FAN BLADES FOR REMAPPING IAW AMM 72-31-02 C/W STEP 3A J(1) FOR TORQUE PROCEDURRES FOR FAN BLADES SEE LP 128-M10 FOR SPINNER CAP INSTALLED & LP 1006428 M10 RE INSTALLED SPINNER IAW AMM 72-32-01 OPS CHECK GOOD.