As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OUTER SHAFT FOUND CRACKED AT TT 259.0 AT DISASSEMBLY. ENGINE WAS REMOVED FOR SMOKING ON SHUTDOWN AND VXP INDICATED VIBRATIONS TRENDING UP. RAN ON TEST CELL AND ABORTED RUN DUE TO EXCESSIVE VIBRATIONS NOTED IN ENGINE'S COMPRESSOR AND DID FIND SMOKING ON SHUTDOWN. HEAVY REPAIR OF TURBINE IN PROGRESS.