What was found
THE FUESLAGE SKIN WAS FOUND BULGING ABOVE STRINGER 36 AT STA 589. A DYE-PENETRANT INSPECTION DETECTED A CRACK IN THE SKIN. FURTHER INVESTIGATION REVEALED THE PRESENCE OF CORROSION BETWEEN THE FUSELAGE OUTER SKIN AND THE FWD OUTFLOW VALVE CUTOUT, FINAL DIMENSION OF 6 FWD/AFT BY 5.5 CIRCUMFERENTIALLY. THE SKIN IS MADE FROM 0.068 THICK CLAD 2024-T3 SHEET AND THE INTERNAL DOUBLER IS MADE FROM 0.075 THICK CLAD 2024-T3 SHEET. ACCOMPLISHED REPAIRS PER DL ERA 273477-14 REV A.