What was found
LT AFT PYLON, NR 1 HEAT SHIELD CHAFED IN THE LWR CENTER AREA. REMOVED CHAFED AREA AND INSTALLED FILLER AND DOUBLER IAW PRINCIPLES OF SRM PART II 54-50-23, REPAIR 16P ON WO 670776-407 IAW ETD 2013-170-006437 AND COMPASS EA E175-54-132, REV IR WO 722744.