a variable angle stator vane assembly for an axial flow gas turbine engine compressor . the compressor casing has a bore surrounded by a boss at the position of each assembly . a housing having a central bore and a bushing assembly is located in the casing bore and is bolted to the boss . the stator vane spindle extends through the housing bore and busing assembly . the housing and bushing assembly can be removed from the casing bore , to be rotated 180 ° or replaced , without removing the casing from the compressor or the stator vane spindle from the casing bore .