scope:

Description of Driving Event:

Non-collapsible handrails are in place on the OPF buckets. When the OPF bucket (platform) is raised to the full up position, the hand rails stress, creating the potential for structural failure. The handrails must meet a 200 pound load requirement in any direction, collapse to prevent system damage (approximately 100 pounds), and must be contained so as not to fall into the orbiter P/L bay.