RQRD TO INSPECT 4000 CYCLE/ILC CORE HPT DISK O.D. FRONT SNAP DIA;INCORPORATES ELECTRONIC OUTPUT FOR DIAMETRICAL MEASUREMENT AS WELL AS HEAT SENSOR TO MEASURE DISK TEMPERATURE DURING SNAP DIAMETER INSPECTION;MUST BE SET USING MASTER PWA56543;CONSTRAINED IN FIXTURE PWA56537;1ST STAGE HPT DISK 15.820-15.834 O.D. FRONT;SERD 6662