What was found
DURING ROUTINE C-CHECK FOUND CENTER FUEL TANK LOWER DOUBLER SKIN BETWEEN FRONT SPAR STATION 683.055 AND STRINGER 65 CORRODED. REMOVED CORROSION, FABRICATED REPAIR PARTS, LOCATED, DRILLED, TREATED, PRIMED, INSTALLED REPAIR PARTS, AND FASTENERS. IAW COOPESA EO COO-8-57-388-04.