What was found
DURING C-04 CHECK CORROSION (GALVANIC) WAS FOUND ON TOP AND BOTTOM SURFACE OF THE LT AFT SHEAR WEB END OF Y1292 BEAM FWD OF FR70. MAINTENANCE REMOVED AND REPLACED SHEAR WEB Y1292 FR 69-70 IAW A320 SRM 51-42-11 PGS 8,10,12,22,A27 FIGURES 2,3,8,62.