What was found
DURING A IMBV INSPECTION, STRINGER 19L AT JUNCTION OF CENTER FUSELAGE 3 AND 4 BETWEEN FRAMES 52 AND 53 WAS FOUND TO BE CHAFED BELOW SRM LIMITS. BLENDED THE CHAFED AREA AND PERFORMED A NDT INSPECTION WITH NO INDICATIONS OF CRACKS. FABRICATED A REPAIR ANGLE AND TWO SHIMS. REPAIR DONE IAW EMB SRM, SRM EMB 145/1142 REV 21 CHAPTERS 53-24-02 FIG 201. (M)