As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ROUTINE TEARDOWN FOR TIME EXPIRED COMPONENT REPLACEMENT TWO REAR HEAT SHIELD BOLTS WERE FOUND LOOSE. ONE BOLT HAD THE LOCK WIRE BROKEN AND HAD BACKED HALF WAY OUT CONTACTING THE 4TH STAGE TURBINE ROTOR CAUSING MINOR DAMAGE. THIS IS THE SECOND INCIDENT OF THIS PROBLEM AND HAS THE POTENTIAL OF CAUSING ENGINE FAILURE.