What was found
FUSELAGE SKIN STA 448-STA 455, STR 27R, DURING MAITENANCE FOUND EXISTING BLEND OUT AT FUSELAGE SKIN (SECTION 43) FROM STATION 448 TO STATION 455, STRINGER 27R. THE REWORK IS RESTRICTED, PER B767-300 SRM 53-00-01 ALLOWABLE DAMAGE 1 DETAIL II SEVERAL FASTENERS ARE LOCATED IN AFFECTED AREA AND THE BLEND OUT IS CLOSE TO THE LAVATORY SERVICE PANEL & PRESSURE PAN WHICH FALLS UNDER SRM 53-00-01 ALLOWABLE DAMAGE 1, DETAIL XII. AN ULTRASONIC THICKNESS (UT) INSPECTION WAS ACCOMPLISHED USING 0.5" GRIDS AND FOUND THE NOMINAL THICKNESS TO BE BETWEEN 0.112" 0.094" WITH A MINIMUM REMAINING THICKNESS BETWEEN 0.110"-0.092" (0.02", 2.1% REMOVED).