As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT RAN ROUGH AND SKIPPED. OPENED MAGNETO FOR INSPECTION. FOUND DISTRIBUTOR GEAR K3008 METAL FINGER BECAME DISLODGED FROM THE CENTER POST. GEAR WAS REPLACED WITH NEW ONE. ENGINE RAN FINE WITHOUT ISSUES. MAGNETO WAS GIVEN A 500 HR MAGNETO INSPECTION 98.6 HRS AGO.