Two overlapping MWA facets provide an opportunity to examine the sources of errors. Here, we examine the distribution of fractional difference in the facet flux of MWA32 catalog sources. The distribution is non-Gaussian which causes the Gaussian fit (dotted) to clearly overestimate the amount of error at 37% compared with the 20% error model found by comparing with PAPER (dashed). In these images most of the sources with 50%+ error appear to be the result of an imperfect primary beam model correction (cf. Figure 7 showing this error vs. R.A. and Figure 8 giving an explanation for the shape of that relation).