As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE CREW NOTICED A VIBRATION SUSPECTED FROM THE LEFT HAND PROPELLER AND RETURNED TO PIT. MAINTENANCE INSPECTED AND THEN BALANCED THE LEFT HAND PROPELLER IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.