As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A PRE-BUY INSPECTION OF THE LT AND RT ENGINES ON THIS AIRCRAFT, A BORESCOPED WAS PERFORMED. FOUND THAT THE SOME OF THE DIFFUSER ATTACHING HARDWARE INSIDE THE CASE LINER WERE LOOSE OR MISSING FROM THEIR RESPECTIVE HOLES AND LAYING IN THE BOTTOM OF THE ENGINE CASE LINER ON BOTH ENGINES. NO LOSS OF ENGINE PERFORMANCE OR INDICATION DURING PREVIOUS OPERATION WAS NOTED.