As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AN IN FLIGHT ENGINE FAILURE RESULTED FROM THE DISTRIBUTOR ROTOR CONTACT (AUTOMOTIVE ENGINE) BECOMING LOOSE AND COMING OFF IN FLIGHT. THE ACFT RECEIVED A CONDITION INSPECTION 2 FLIGHT HOURS PRIOR TO THE FAILURE. THE INSPECTION PROGRAM USED FOR THE ENGINE DID NOT CONTAIN SUFFICIENT INFORMATION TO DETECT THE LOOSE CONTACT.