What was found
AFTER TAKEOFF FROM KBIL, PILOT NOTICED VIBRATION FROM ENGINE. PILOT RETURNED TO KBIL WITHOUT INCIDENT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF FROM KBIL, PILOT NOTICED VIBRATION FROM ENGINE. PILOT RETURNED TO KBIL WITHOUT INCIDENT.