"FIXTURE IS REQUIRED TO INSPECT THE 3RD STAGE TURBINE BLADE LENGTH TO DETERMINE IF THE BLADE IS WITHIN THE SERVICE LIMITS,FIXTURE MEASURES THE LENGTH FROM THE ROOT Z PLANE TO BLADE END,FIXTURE DESIGN WILL HAVE A BUILT IN SHOP SERVICE CALIBRATION FEATURE WITH ELECTRONIC PRECISION DIAL ATTACHED TO A SLIDE BAR, FLUSH PIN; DWG NAME IS FIXTURE,INSPECTION 3RD STAGE TURBINE BLADE,LENGTH"