What was found
ENG 2 N1 VIBRATION FLASHING RANGE OF VIBRATION WAS 4.3 - 6.8 N1, CONDITIONS WERE AT 10,000 FEET 250 KNOTS 67% N1 90% N2 EGT 549, ALL MATCHED OTHER ENG. REMOVED NR 2 ENG FAN ROTOR BLADES 12, 13, 14 FOR FURTHER EVALUATION. IAW AMM 72-21-00 CL 11730 REMOVED NR 2 ENG FAN BLADES 11, 15, 16, 17, 30, 31 & 32 TO FACILITATE FURTHER MX IAW AMM 72-21-00 CL 11730. INSTALLED FAN ROTOR BLADES IAW WO 266179 SS 8582 & CFMI SHEET PROVIDED RS RII 5902. PERFORMED VIBE CHECK IAW AMM 71-00-00-710-009.