As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT COMPLAINT OF A/C NOT STARTING. FOUND MIXTURE STOP SCREW MISSING ALLOWING MIX. CONTROL ARM TO GO BEYOND FULL RICH BACK TO I.C.O. MIXTURE CONTROL STRIKES SAFETY WIRE ON STOP CAUSING IT TO BREAK. RECOMMEND DIFFERENT METHOD OF SAFETYING.