As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TURBINE CAME IN FOR SHOP VISIT FOR LOW POWER. BEGAN DISASSEMBLY OF TURBINE, REMOVED OUTER COMBUSTION CASE AND FOUND SULFIDATION ON 1ST STAGE WHEEL. HAD ONE BLADE MISSING AND SEVERAL BROKEN BLADES. THIS TURBINE HAD A ROLLS ROYCE LINER. HAVE WHEELS TESTED FOR PROPER COATING. (M)