There was a shortcut: "But if they had looked at the text of the SB, they would have realized that they missed a step: they were also supposed to replace the hy

There was a shortcut: "But if they had looked at the text of the SB, they would have realized that they missed a step: they were also supposed to replace the hydraulic tube which attached to the pump." With the old tube, the clearance was insufficient to avoid contact while in use.