Treadmill 2 (T2) Maintenance: The crew performed both the 6-month and yearly T2 preventative inspections and maintenance actions. During these tasks, the crew inspected the treadbelt slats and screws, cleaned the treadmill drive shaft, greased forward and rear axles, vacuumed inside the rack and around the treadmill, and inspected the bungee shackle key mount witness marks. An …