What was found
DURING TRANSIT CHECK, DETECTED A BLADE DAMAGED, LT ENGINE LPC 1ST STAGE. THE BLADE WAS OUT OF LIMITS WITH A DAMAGE OF 4 X 0.750 AT LEADING EDGE. DURING OVERNIGHT CHECK, THE TWO BLADES SET OF LPC 1 ST STAGE WAS REPLACED IAW MM 72-31-02, VIBRATION TEST NR 8 WAS PERFORMED BEING OUT OF LIMITS, SO THE LT ENGINE WAS REPLACED IAW MM 71-00-00 AND OPERATIONAL CHECK WAS PERFORMED IAW MPCM 71-00-01, BEING CORRECT.