A blade outer air seal support assembly of a gas turbine engine comprising: a blade outer air seal support having: a support body defining an inner cavity; at least one first support hook configured to engage with a blade outer air seal; at least one second support hook configured to engage with a case hook of a case; and at least one loading hook within the inner cavity; and a thermal lifting member (334;434;534) comprising: a hollow body defining a thermal cavity therein; at least one inlet fluid connector (340;440;540a,540b) fluidly connected to the thermal cavity configured to supply hot fluid to the thermal cavity from a fluid source; at least one outlet fluid connector fluidly connected to the thermal cavity configured to allow the hot fluid to exit the thermal cavity; and at least one lifting hook configured to engage with the blade outer air seal support; wherein the thermal lifting member is configured to thermally expand radially outward when hot fluid is passed through the thermal cavity such that during thermal expansion the at least one lifting hook forces the blade outer air seal support to move radially outward; and wherein the thermal lifting member is disposed within the inner cavity of the support body, the at least one lifting hook configured to engage with the at least one loading hook within the inner cavity of the support body. a blade outer air seal support having: a support body defining an inner cavity; at least one first support hook configured to engage with a blade outer air seal; at least one second support hook configured to engage with a case hook of a case; and at least one loading hook within the inner cavity; and a support body defining an inner cavity; at least one first support hook configured to engage with a blade outer air seal; at least one second support hook configured to engage with a case hook of a case; and at least one loading hook within the inner cavity; and a thermal lifting member (334;434;534) comprising: a hollow body defining a thermal cavity therein; at least one inlet fluid connector (340;440;540a,540b) fluidly connected to the thermal cavity configured to supply hot fluid to the thermal cavity from a fluid source; at least one outlet fluid connector fluidly connected to the thermal cavity configured to allow the hot fluid to exit the thermal cavity; and at least one lifting hook configured to engage with the blade outer air seal support; a hollow body defining a thermal cavity therein; at least one inlet fluid connector (340;440;540a,540b) fluidly connected to the thermal cavity configured to supply hot fluid to the thermal cavity from a fluid source; at least one outlet fluid connector fluidly connected to the thermal cavity configured to allow the hot fluid to exit the thermal cavity; and at least one lifting hook configured to engage with the blade outer air seal support; wherein the thermal lifting member is configured to thermally expand radially outward when hot fluid is passed through the thermal cavity such that during thermal expansion the at least one lifting hook forces the blade outer air seal support to move radially outward; and wherein the thermal lifting member is disposed within the inner cavity of the support body, the at least one lifting hook configured to engage with the at least one loading hook within the inner cavity of the support body.