What was found
DURING CYLINDER OVERHAUL, EXHAUST VALVE GUIDE FOUND CRACKED AT THE LOWER END OF THE GUIDE. THE CRACK WAS ORIENTED IN THE SAME PLACE AS THE ROCKER ARM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CYLINDER OVERHAUL, EXHAUST VALVE GUIDE FOUND CRACKED AT THE LOWER END OF THE GUIDE. THE CRACK WAS ORIENTED IN THE SAME PLACE AS THE ROCKER ARM.