As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT FORCED TO EMERGENCY LAND AFTER ENGINE QUIT DURING LANDING. AIRCRAFT IS AN AMATEUR BUILT GYRO PLANE. THE ENGINE WAS A SUBURU WITH SINGLE COIL IGNITION SYSTEM. POST-LANDING INSPECTION REVEALED THE COIL WIRE TERMINAL LUG BROKE OFF THE COIL WHICH TERMINATED IGNITION. OPERATOR STATED HE ALWAYS CHECKS THESE CONNECTIONS DURING PRE-FLIGHTS BY GRASPING THEM FOR SECURITY CHECK.