As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE AIRCRAFT ENGINE HAD JUST UNDERGONE AN ON CONDITION INSPECTION AND HAD MET ALL REQUIRED PARAMETERS, INCLUDING FULL POWER CHECK. ONE SIDE OF THE DUAL MAG FAILED ON FIRST FLIGHT POST INSPECTION. UPON DISSASSEMBLY OF DISTRIBUTION BLOCK. SEVERAL ROTOR TEETH WERE FOUND BROKEN OFF. THE ROTOR BEARING WAS FOUND WITH EXCESSIVE WEAR AND THE DISTRIBUTOR CONTACTS APPEAR TO HAVE TOUCHED.