What was found
(CAN) ENGINE WAS REMOVED DUE TO VIBRATION. ENGINE WAS FOUND TO BE DETUNED. NEW COUNTERWEIGHTS INSTALLED, ENGINE BALANCED AND RE-INSTALLED RECERTIFIED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ENGINE WAS REMOVED DUE TO VIBRATION. ENGINE WAS FOUND TO BE DETUNED. NEW COUNTERWEIGHTS INSTALLED, ENGINE BALANCED AND RE-INSTALLED RECERTIFIED.