What was found
DURING AIRCRAFT HEAVY CHECK IN XMV (XIAMEN, CHINA), HAECO MAINTENANCE DISCOVERED (2 EA.) DENTS ON THE SECTION 46 FUSELAGE SKIN. SEE FIGURE 1 FOR DETAILS. THE DAMAGE WAS EVALUATED PER REF /A/ AND FOUND TO BE BEYOND PUBLISHED LIMITS (A/Y <30). THE SKIN IS MADE FROM 2024-T3 X 0.100 INCH THICK CLAD SHEET AND MACHINED TO 0.071 INCH MINIMUM PER REF /B/. THE SUBJECT IS SKIN IS CLASSIFIED AS PRIMARY STRUCTURE, A PSE, A SSI, AND FCBS (NOTE 1) PER REF /C/. NATIONAL AIRLINES CONTACTED FLIGHT VEHICLE CONSULTING FOR FURTHER EVALUATION AND REPAIR INSTRUCTIONS.