What was found
COMPLAINT RECEIVED OF ENGINE, DEISELING, ON SHUTDOWN. FOUND CARBURETOR UPPER HALF AND LOWER SEPARATING AT MATING SURFACE. REMOVED CARBURETOR RETIGHTENED SCREWS AND RELOCKED LOCK TABS. ADJUSTED IDLE AND MIXTURE THIS IS THE SECOND CARB WITH THE SAME PROBLEM IN 1 WEEK. EARLIER CARBURETOR WAS N/A3-SPA, SN 3973205.