As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RAN ROUGH AND DAMAGED MUFFLER. FOUND ACCELERATOR PUMP DISCHARGE TUBE BROKEN OFF LETTING UNMETERED FUEL ENTER INTAKE SYSTEM CAUSING EXCESSIVELY RICH MIXTURE. SUBMITTER SUGGESTED INSPECTING INSIDE CARBURETOR THROAT WITH MIRROR AT INSPECTIONS. (X)