What was found
DURING FIELD TROUBLESHOOTING FOR A REPORTED ENGINE VIBRATION, BORESCOPE INSPECTION REVEALED POTENTIAL IP BLADE LIBERATION. DISASSEMBLY OF THE ENGINE CONFIRMED THAT ONE OF THE 3RD STAGE IPC ROTOR BLADES WAS MISSING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FIELD TROUBLESHOOTING FOR A REPORTED ENGINE VIBRATION, BORESCOPE INSPECTION REVEALED POTENTIAL IP BLADE LIBERATION. DISASSEMBLY OF THE ENGINE CONFIRMED THAT ONE OF THE 3RD STAGE IPC ROTOR BLADES WAS MISSING.