As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE ENGINE WAS RETURNED TO THE REPAIR STATION FOR DAMAGE TO HPC ROTOR NOTED DURING A BORESCOPE INSPECTION. THE OPERATOR NOTED A 30 INCREASE IN ITT AND 200 RPMS IN N2. FIELD BORESCOPE INSPECTION REVEALED DAMAGE TO THE HPC ROTOR. THE ENGINE WAS RETURNED TO THE REPAIR STATION AND DISASSEMBLY REVEALED A MISSING 3RD STAGE IP COMPRESSOR BLADE.