Removed hinge pin then clecoed hinge and frame assembly to fuselage. Riveted hinge frame assembly to skin, baggage floor and seat back brace. Installed striker plate on upper door seal channel. Match drilled LH cover plate to seat brace, floor and hinge frame. Removed cover, deburred and dimpled as required. Primed cover. Riveted to structure per plans. Installed nutplates on cover as shown.