As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAJOR PERIODIC INSPECTION THE PLENUM WAS FOUND TO HAVE A CRACK INDICATION, ENG CORE WAS SENT OUT FOR PLENUM REPLACEMENT. ENG WAS FOUND TO HAVE INCORRECT LPC4 SHAFT INSTALLED. THE ENG OPERATED 6560.7 HOURS & 3895 CYCLES IN THIS CONDITION. MFG DAMAGED ENG REVIEW BOARD ISSUED AN INSPECTION & REPAIR WORK SCOPE TO RETURN THE ENG BACK TO SERVICE.