What was found
4C INSPECTION, CENTER WING AUX TANK UPPER PANEL HAS CORROSION AT STRINGER 15, STA 1225-1231, X=75.25 TO X=107.25. ACCOMPLISHED REPAIR TO CENTER AUX TANK UPPER SKIN PANEL AT STR 15, STA 1225-1231, X=75.25 TO X=107.25 IAW EA 011-5730-01-A5396 REV I/R AND EO 5730-54565-A.