"RQRD TO CHECK LOCATION OF COOLING AIR SUPPLY CONNECTOR OF ACTIVE CLEARANCE CONTROL RELATIVE TO LOW PRESSURE TURBINE WHILE TURBINE IS ON STORAGE STAND;C/O STEEL BASE PLATE, GAGE BLOCK, TWO LOCATING PINS AND THREE LOCATING SHOULDER BOLTS;PINS AND BOLTS POSITION BASE PLATE AGAINST ""N"" FLANGE OF LOW PRESSURE TURBINE;GAGE CHECKS DISTANCE BETWEEN BASE PLATE AND CONNECTOR AT TWO LOCATIONS;SERD NO. 0338"