As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HOT SECTION INSPECTION, FOUND DIFFUSER VANE P/N 3102173-1 BROKEN IN SEVERAL PIECES LYING ON TOP OF THE OUTER TRANSITION LINER AND WEDGED BETWEEN THE COMPRESSOR HOUSING AND BOTTOM OF TRANSITION LINER. FURTHER INVESTIGATION REVEALED THAT RECOMMENDED GARRETT SB TPE331-72-0458 HAD NOT BEEN C/W.