The Mid Side skin F-823 and the Throttle arm rest F-860A was not a good marriage, a 0.04” spacer was fitted between the skin and arm rest. The Aft Cabin Cover F-876 also seemed a poor fit. The top of the Cabin Cover was altered by bending a flange in the top half to fit and rivet to the Left Fuselage Bulkhead F-806A.