As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE MAGNETO WAS SENT IN FOR WARRANTY REPAIR. A TEST FOUND THAT THE UNIT WAS FIRING ON ONE CYLINDER. INSPECTION FOUND THAT THE ELECTRODE HAD BROKEN FREE OF ITS MOUNTING. THE UNIT WAS GIVEN A 500 HOUR SERVICE AND THE DEFECTIVE PART REPLACED AND THE UNIT RETURNED TO SERVICE.