As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED BORESCOPE OF THE RT ENGINE FOUND THE CT BLADES WERE FOUND TO BE DAMAGED DUE TO FOD. A POWER TURBINE CONTAINMENT SHROUD BOLT HEAD WAS FOUND BROKEN OFF AND STILL TIED WITH SAFETY WIRE. THE REMAINDER OF THE BOLT HAD VIBRATED OUT OF ITS HOLE AND CAUSED FOD DAMAGE BEFORE EXITING THE SPACE.