What was found
ONE BOLT, PN STD-1204, NUT, P/N STD-1411 AND WASHERS, P/N STD-160 AND STD-8 WERE MISSING FROM THE OIL SUMP-TO-CRANKCASE INSTALLATION. THE AREAS NORMALLY COVERED BY THE BOLT AND NUT DURING PAINTING OF THE ENGINE WERE PAINTED, INDICATING THAT THE PARTS WERE OMITTED DURING ASSEMBLY. THIS WAS A LYCOMING FACTORY OVERHAUL; WORK ORDER A-3996. RHC CRS YV3R012M.