Cleaned excess sealant from Firewall Upper. Pg. 29-04 Step 7R3: Dimpled then riveted the rivet holes in the four nutplates for the Panel Base. Step 10: Riveted the Inst. Stack Angles and Inst. Stack Supports to the Panel Base. Step 12: Riveted the Panel Base Assy. to the Firewall Upper and Longerons.
