Riveted the Roll Bar Assembly including the F-12124 Light Bracket. Clecoed the Assembly to the F-1231D Roll Bar Bases and then match-drilled holes into the bases. Removed the assembly and the bases. Deburred the bases and then primed them. Also primed the F-1207A Baggage Bulkhead and the F-1232B Roll Bar Brace Brackets. After the primer was dry, bolted the bases to theRoll Bar Attach Plates.