As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE RAN RICH BELOW 1,600 RPM. ENGINE WOULD DIE ON ROLL-OUT ON RUNWAY. REMOVED SERVO FROM ENGINE AND INSPECTED IDLE MIXTURE PLATE FOR GALLING. PLATE WAS FOUND GALLED. SERVO SENT TO PRECISION FOR REPAIR. THIS SERVO HAS 52 HRS TT SINCE NEW. 4 HRS SINCE PRECISION REPAIRED SERVO AT ATCA.