As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB OUT ENG 1 VIBE IND 4.3. TOMC CONTACTED.RETURN TO KDEN. AT CRUSIE VIB CAME DOWN TO 1.8- 2.3 PER CREW FOUND DAMAGE TO TURBINE BLDS LABOR HOURS UPDATE. PICTURES INCLUDED PICTURES INCLUDED. PICTURES INCLUDED. DUE DAMAGE TO AFT STAGE 4 ATP BLADE STATOR DAMAGE AND ENGINE VIBRATION ADVISORY LIMITS BEING OOL PER AMM 72-00-00-200-809-F00 #1 ENGINE MUST BE CHANGED. REMOVED AND REPLACED NR 1 ENG PER EA TC 29-0571-8-0073.