Separated all CB-700E and CB-1000B stiffeners and air dams. Edge finished all parts. Edge finished all CB-1003C doubler plates and CB-1004A cylinder 4 baffle. Primed doubler plates and CB-1004A cylinder 4 baffle. Riveted doublers to cylinder 4 baffle. First attempt at oil cooler location and marking baffle #4 for trimming.