What was found
FOUND A 4 INCH CRACK AT BS 780 STRINGER 15R. TRIMMED OUT CRACK, MAINTAINING A .5 INCH MINIMUM RADIUS AND 2D EDGE MARGIN FROM FASTENERS. HFEC INSPECTED THE CUTOUT. FABRICATED REPAIR .040 INCH AND .050 INCH FILLER AND .050 INCH DOUBLER FROM 2024-T3 CLAD. FINISHED ALL BARE ALUMINUM WITH ALODINE AND TWO COATS OF BMS 10-11 TYPE 1 PRIMER. INSTALLED REPAIR PARTS WITH FASTENERS IDENTIFIED ON FIGURE 1. SHIMMED ALL GAPS GREATER THAN .01 INCHES UP TO A MAX OF .04 INCHES PRIOR TO FASTENERS INSTALLATION. INSTALLED REPAIR PARTS WITH BMS 5-95 SEALANT. VERIFIED 8110-3 RECEIVED. REPAIR COMPLETED IAW ECO 3257R2. AIRCRAFT RETURNED TO SERVICE.