What was found
DURING BASIC CHECK IN BNA, EXTENSIVE CHAFE DAMAGE WAS DISCOVERED ON THE LH WING LEADING EDGE SKIN ABOVE THE PYLON. REFERENCE ETD2018-170-113242 FIGURE 1 FOR DAMAGE LOCATION AND DETAILS. EAMS REQUESTED AND RECEIVED PERMANENT REPAIR DISPOSITION IN THE FORM OF ETD2018-170-113242. THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH THE PERMANENT REPAIR OF THE CHAFE DAMAGE LOCATED ON THE P/N 170-31038-001 LEADING EDGE SKIN FROM RIB 10 TO RIB 11 ON THE LH WING. THE DAMAGE WILL BE REPAIRED BY BLEND-OUT AND DOUBLER INSTALLATION PER ETD2018-170-113242. BECAUSE THE LH WING LE SKIN IS A PSE AND THIS REPAIR IS RESTORING STRENGTH, ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR. THIS EO IS BEING ACCOMPLISHED BY WO 2554680