What was found
CORROSION AT WING BOX REAR SPAR UPPER SKIN LOWER SURFACE LT WHEEL WELL AREA, ZONE 145, CARD 1. CORROSION WAS REMOVED, REWORKED AREA WAS TREATED, PAINTED IAW ER/A 546499-14, REV ORIGINAL. HFEC BLENDED AREA AND NO ADDITIONAL DAMAGE WAS FOUND. ASSOCIATED ER/A 00-546499 ADDED FOR AC 9520.