As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOTICED A RISE IN EGT ABOUT 15 MINUTES FROM (38D). RT ENGINE RUNNING SMOOTH. CHECKED RT MAGNETO AFTER LANDING AND FOUND RT SIDE DEAD. ON INSPECTION OF MAGNETO, FOUND A CRACK AND A BURNED AREA WHERE COIL WAS ARCING TO CASE OF MAG. SAME PROBLEM HAD OCCURRED ONCE BEFORE 98 HRS AGO. NEW COIL AND CONDENSER INSTALLED AT THAT TIME. INSTALLED NEW MAG THIS TIME.