As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REMOVED ENGINE FOR FAILURE TO PASS POWER ASSURANCE. HOT END OF ENGINE WAS REMOVED AND PLASMA SPRAY WAS NOTED COMING FROM AIR DIFFUSER. EXCESSIVE DAMAGE WAS OBSERVED THROUGHOUT GP SECTION INCLUDING BURNING OF SECOND STAGE NOZZLE AND LOSS OF MULTIPLE FIRST STAGE TURBINE BLADES. WHEN LOWER COMPRESSOR CASE WAS REMOVED, TECH OBSERVED THAT THE PLASMA REPAIRED AREA WAS MISSING AND THE COMPRESSOR IMPELLER WAS DAMAGED BEYOND REPAIR.