As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCEPTANCE INSPECTION ON NEW GROB AIRCRAFT WITH 72.2 HOURS SINCE NEW, FOUND THROTTLE CABLE SUPPORT BRACKET THAT ATTACHES TO CARBURETOR CRACKED AT LOWER CARBURETOR MOUNT. CRACK IS ATTRIBUTED TO PROPELLER/ENGINE VIBRATION. BOTH ENGINE AND PROPELLER HAVE 72.2 HOURS SINCE NEW. DYNAMIC BALANCE TO BE ACCOMPLISHED NEXT TO REMEDY CRACKING.