Managers and engineers are discussing an issue with two heaters associated with shuttle Endeavour’s Auxiliary Power Unit (APU) 1. The three APUs provide hydraulic power to steer the shuttle’s aerosurfaces during ascent and entry.
Managers and engineers are discussing an issue with two heaters associated with shuttle Endeavour’s Auxiliary Power Unit (APU) 1. The three APUs provide hydraulic power to steer the shuttle’s aerosurfaces during ascent and entry.