What was found
DURING AN INSPECTION AND WHEN PERFORMING THE COMPRESSION CHECK, IT WAS DISCOVERED THAT THE NR 1 AND 3 CYLINDERS WERE FOUND CRACKED AT THE BARREL-HEAD CONNECTION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING AN INSPECTION AND WHEN PERFORMING THE COMPRESSION CHECK, IT WAS DISCOVERED THAT THE NR 1 AND 3 CYLINDERS WERE FOUND CRACKED AT THE BARREL-HEAD CONNECTION.