A decking beam end assembly is provided. The assembly comprises a beam end body configured to be slidably disposed within an end of a hollow beam member. A U-shaped foot is pivotally coupled to the beam end body, wherein the foot further comprises a flanged head configured to be slidably captured within a capture area of an L-track. A latch is pivotally coupled to the foot, wherein the latch comprises a retaining lug configured to concurrently fit into two successive circular openings of the L-track and a straight rail opening in the L-track connecting the two circular openings.