As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) PROPELLER PITCH CHANGE ROD SUSPECT FAULTY - DIMENSION FROM REAR PISTON SHOULDER TO FRONT RETAINER GROOVE AS ADVISED BY HARTZELLPROPELLERS IS 10.960INCHES (278.384MM) - MEASUREMENTS ON AFFECTED ROD WAS 10.85INCHES (275.59MM) RESULTING IN OVER COMPRESSION OF FEATHER SPRINGS CAUSING SLOW UNFEATHERING OPERATION