Riveted the nutplates and shim to the F-767 (photo 1), then riveted that assembly to the F-766A channel, and installed the channel in the fuselage (photo 2).
Fit the flap motor to the F-766A channel and to the flap actuator. Clamped and match drilled the F-766B angle bracket to the channel. Deburred, prepped, and primed the angle and its faying surface on the channel.