As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSTALLED NEW PLUGS AND LEADS FOR THE ELECTRO AIR ELECTRONIC IGNITION SYSTEM. THE NEW LEADS REQUIRE A TOWER TO CONNECT TO THE PLUGS. THE NEW TOWERS ALMOST IMMEDIATELY GROUNDED TO THE SIDE OF THE PLUG. INSTALLED THE OLD PLUGS AND LEADS.