As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A NEW PROP WAS INSTALLED 8-15-94 AFTER ENGINE OVERHAUL AND A REPAIR TO AIRFRAME. PROP REPORTED VIBRATING BY PILOTS. RPM HAD TO BE ABOVE 2500 TO LESSEN VIBRATION. ON 10-12-94, A SNAP RING AND SHIMS WERE FOUND LOOSE ON NR 2 BLADE AND BLADE WAS LOOSE IN HUB. CONDITION DID NOT EXIST THE DAY BEFORE. PROP WAS REMOVED FOR DELIVERY TO MCCAULEY.