As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) ENGINE SECOND STAGE IMPELLER SHROUD MOVED FORWARD OPENING UP THE SECOND STAGE COMPRESSOR CLEARANCE AND DRAGGING THE OUTER TRNSITION LINER PNO 3102102-3 ONTO THE REAR FACE OF THE SECOND STAGE IMPELLER PNO 893482-5 DAMAGING BOTH PARTS. (AD/SB DESC: PILOT REPORTED PROBLEM TO ENGINEERING ) (OTHER CAUSE: PROCESS MISSED DURING O/H OF THE PART ) (CASA# 510001463)