What was found
SHORTLY AFTER TAKE OFF AIRCRAFT HAD A VIBRATION. CONTINUED THE CLIMB VIBRATION GOT WORSE. CREW ELECTED TO RETURN TO FIELD DUE TO NOTHING IN QRH
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SHORTLY AFTER TAKE OFF AIRCRAFT HAD A VIBRATION. CONTINUED THE CLIMB VIBRATION GOT WORSE. CREW ELECTED TO RETURN TO FIELD DUE TO NOTHING IN QRH