What was found
2S CHECK - LEVEL 2 GALVANIC CORROSION ON CENTER SHAPE SILL FITTING BETWEEN FR66+5 INCHES TO FR67+16 INCHES, S23R. REPLACED CENTER SHAPE SILL FITTING BETWEEN FR66+5 INCHES TO FR67+16 INCHES, S23R IAW A321 SRM 51-72-11 & AIRBUS DRAWING D53480505.