As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RAM AIRCRAFT HAS FOUND NUMEROUS CYLINDERS WITH LOW HOURS CRACKED IN AN AREA EXTENDING FROM FUEL INJECTOR BOSS AREA TO THE SPARK PLUG HOLE. IN THIS AREA IS A MACHINED AREA WITHOUT SUFFICIENT RADIUS. SUGGEST RADIUS OF THIS AREA TO PREVENT CRACKING.