What was found
UPON GEAR RETRACTION A VIBRATION STARTED. GEAR WAS EXTENDED AND VIBRATION CONTINUED. ALL GEAR INDICATIONS NORMAL EXCEPT VIBRATION - AIRCRAFT RETURNED AND LANDED WITHOUT INCIDENT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UPON GEAR RETRACTION A VIBRATION STARTED. GEAR WAS EXTENDED AND VIBRATION CONTINUED. ALL GEAR INDICATIONS NORMAL EXCEPT VIBRATION - AIRCRAFT RETURNED AND LANDED WITHOUT INCIDENT.