What was found
DURING C-CHECK, FOUND STRINGER 25L WITH HEAVY CORROSION WITH A HOLE THROUGH THE STRINGER. TRIMMED THE AREA (HOLE STRINGER 25) IAW B737 SRM 53-10-3. FABRICATED ANGLE AND FILLER FOR REPAIR. MATERIAL .46 BAC 1498-156 (7075-T60) 7.125 INCH BY 1.875 INCH, .625 INCH BY .5 INCH IAW B737 SRM 53-10-3 FIG 4 TREAT AND PRIMED IAW SRM 51-10-2. INSTALLED ANGLE AND FILLER IAW SRM 53-10-3 AND 51-30-8.