What was found
PROPELLER WAS BALANCED PER PUB 1000-OM-01 REV 2.0 ACES SYTEM GUIDE AND INSTEAD OF ADDING WEIGHTS TO RING GEAR, THE WEIGHTS WERE ADDED TO SPINNER. SPINNER AND BACKPLATE FAILED DUE TO WEIGHTS ADDED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PROPELLER WAS BALANCED PER PUB 1000-OM-01 REV 2.0 ACES SYTEM GUIDE AND INSTEAD OF ADDING WEIGHTS TO RING GEAR, THE WEIGHTS WERE ADDED TO SPINNER. SPINNER AND BACKPLATE FAILED DUE TO WEIGHTS ADDED.