What was found
ENGINE VIBRATION, RETURNED TO FIELD. FOUND SMALL METAL PARTICLES IN TAIL PIPE AND ABNORMAL NOISE DURING SHUTDOWN. REPLACED ENGINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENGINE VIBRATION, RETURNED TO FIELD. FOUND SMALL METAL PARTICLES IN TAIL PIPE AND ABNORMAL NOISE DURING SHUTDOWN. REPLACED ENGINE.