What was found
AIRCRAFT 682, AD RELATED DURING ROTO TEST OF ENGINE 2 UPPER SKIN, DRAG FITTINGS HOLE #4 WAS FOUND TO HAVE MULTIPLE CRACKS IN THE SKIN AND FITTING LAYERS. CRACK IN THE SKIN LAYER NOTED AT 3:00 POSITION. CRACKS IN THE FITTING LAYER NOTED AT THE 1:00 AND 8:00 POSITION. CORRECTIVE ACTION: REPAIRED WING/ OUTER WING/ RHS UPPER SKIN AND DRAG FTGS/ CORROSION AND CRACKS. HOLE #4 IAW DELTA ER/A 609175-14AD MAJOR REPAIR 8100-9 DARED JUN 08, 2023 (LP2814719)