What was found
DURING C-CHECK, FOUND STRINGER CORRODED SECOND STRINGER BELOW VERTICAL FIN FRONT SPAR FORGING IN STAIRWELL STATION 1210. VERT FIN STRINGER 2 LEFT. REMOVED CORROSION FROM SECOND STRINGER BELOW VERTICAL FIN STATION 1210 PER SRM 51-10-2. MATERIAL LOSS .010, CORROSION BEYOND LIMITS. INSTALLED TYPICAL ANGLE REPAIR PER SRM 51-40-4. ALODINE AND PRIME PER SRM 51-10-2. FABRICATED REPAIR PER SRM 55-30-4. INSTALLED DOUBLER REPAIR PER SRM 55-30-4 MATERIAL 7075-T6 .0631 1.25 INCH BY 1 INCH BY 7 INCH.