What was found
DURING AN ANNUAL INSPECTION, ONE OF TWELVE SPARK PLUGS WERE FOUND TO HAVE A CRACKED ELECTRODE INSULATOR. SPARK PLUG WAS REPLACED WITH NEW PART.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING AN ANNUAL INSPECTION, ONE OF TWELVE SPARK PLUGS WERE FOUND TO HAVE A CRACKED ELECTRODE INSULATOR. SPARK PLUG WAS REPLACED WITH NEW PART.