A high pressure compressor section of a gas turbine engine , the high pressure compressor section comprising: an inner case separating a core flow path (C) of the gas turbine engine and a plenum formed between the inner case and an outer case ; a bleed port located on an inner surface of the inner case, the inner surface being proximate the core flow path; an outlet located on an outer surface of the inner case, the outer surface being proximate the plenum; and a bleed air passageway passing through the inner case to fluidly connect the bleed port to the outlet, wherein the bleed air passageway is fluidly connected to the core flow path through the bleed port and the bleed air passageway is fluidly connected to the plenum through the outlet, characterized in that : the bleed air passageway passes radially outward of a first vane and a second vane ; and in that an outer diameter end of the first vane is located within a first vane slot within the inner case , the first vane being secured to the first vane slot through the outer diameter end of the first vane, wherein the bleed air passageway further comprises the first vane slot, or in that an outer diameter end of the second vane is located within a second vane slot within the inner case , the second vane being secured to the second vane slot through the outer diameter end of the second vane, wherein the bleed air passageway further comprises the second vane slot. an inner case separating a core flow path (C) of the gas turbine engine and a plenum formed between the inner case and an outer case ; a bleed port located on an inner surface of the inner case, the inner surface being proximate the core flow path; an outlet located on an outer surface of the inner case, the outer surface being proximate the plenum; and a bleed air passageway passing through the inner case to fluidly connect the bleed port to the outlet, wherein the bleed air passageway is fluidly connected to the core flow path through the bleed port and the bleed air passageway is fluidly connected to the plenum through the outlet, characterized in that : the bleed air passageway passes radially outward of a first vane and a second vane ; and in that an outer diameter end of the first vane is located within a first vane slot within the inner case , the first vane being secured to the first vane slot through the outer diameter end of the first vane, wherein the bleed air passageway further comprises the first vane slot, or in that an outer diameter end of the second vane is located within a second vane slot within the inner case , the second vane being secured to the second vane slot through the outer diameter end of the second vane, wherein the bleed air passageway further comprises the second vane slot. the bleed air passageway passes radially outward of a first vane and a second vane ; and in that an outer diameter end of the first vane is located within a first vane slot within the inner case , the first vane being secured to the first vane slot through the outer diameter end of the first vane, wherein the bleed air passageway further comprises the first vane slot, or in that an outer diameter end of the second vane is located within a second vane slot within the inner case , the second vane being secured to the second vane slot through the outer diameter end of the second vane, wherein the bleed air passageway further comprises the second vane slot. <EOS>