What was found
UPPER SURFACE CENTER WING SECTION, CENTER WING SKIN HAS HEAVY CORROSION AT LT AFT CORNER SECTION UNDER PRESS. SEAL TRACK APPROX 6 INCH AREA, THREE PLACES FS 850 TO 856. CORROSION REMOVED, DIGITAL THICKNESS CHECKED BY NDT, ORIG 184 TAKEN DOWN TO .068. REPAIR DOUBLER INSTALLED PER ESO 11782 DATED 8/7/96 AND EA NR 7571028845 DATED 8/15/96.