What was found
S2 CHECK LEVEL 2 EXFOLIATION CORROSION ON SHEAR PLATE BETWEEN FRAME 69 TO FRAME 70 & BETWEEN STRINGER 23L TO STRINGER 24L, Z-500. REPLACED SHEAR PLATE BETWEEN FRAME 69 TO FRAME 70 & BETWEEN STRINGER 23L TO STRINGER 24L, Z-500 IAW SRM 51-72-11.