What was found
REF: 330133 SO. BLADE VIBRATION DUE TO NICKEL SHEATH SEPARATION FROM BLADE IN-FLIGHT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
REF: 330133 SO. BLADE VIBRATION DUE TO NICKEL SHEATH SEPARATION FROM BLADE IN-FLIGHT.