What was found
DURING 100HR INSPECTION BORESCOPING ENG, FOUND NR 2 CYLINDER CRACK COMING OUT OF LOWER SPARKPLUG BOSS TOWARDS EX VLV APPROX 1/2 INCH LONG.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING 100HR INSPECTION BORESCOPING ENG, FOUND NR 2 CYLINDER CRACK COMING OUT OF LOWER SPARKPLUG BOSS TOWARDS EX VLV APPROX 1/2 INCH LONG.