As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OVERNIGHT SERVICE, BOROSCOPE INSPECTION WAS PERFORMED TO RT ENGINE IAW MM 72-00-00. BLADES OF 1ST HIGH TURBINE STAGE WAS DETECTED WITH DAMAGES OUT OF LIMITS. FOREIGN MATERIAL WAS DETECTED ON 1ST HIGH TURBINE STAGE AND RT ENGINE WAS REPLACED IAW MM 71-00-02 AND TESTED IAW MM 71-00-01, ALL CORRECT.