Turbine exhaust duct with probe interface

A reverse-flow gas turbine engine, comprising:

• an outer case assembly extending around a central axis and enclosing a core, the core including a compressor section, a combustor, and a turbine section, the turbine section located forward of the combustor and of the compressor section relative to a direction of travel of the reverse-flow gas turbine engine, the outer case assembly including an exhaust case defining outlet openings and having a probe opening extending through the exhaust case and bounded by a periphery on the outer side of the exhaust case;
• a turbine exhaust duct (TED) surrounded by the exhaust case and having an annular inlet conduit extending around the central axis for directing combustion gases in an axial direction, and outlet conduits fluidly communicating with the annular inlet conduit and extending radially outward relative to the annular inlet conduit, each of the outlet conduits communicating with a respective one of the outlet openings of the outer case;
• and
• a probe interface mounted to the periphery of the probe opening, the probe interface including an interfacing plate mounted to the periphery and having a portion being recessed radially inwardly relative to the exhaust case and defining an aperture sized to receive a probe therethrough.