What was found
DURING C-CHECK, CENTER TANK UPPER SKIN FOUND CORRODED AT BS 1060, RBL 106-122 UNDER FLOORBEAM LOWER CHORD. PERMANENT REPAIR PER REF, CORROSION WAS REMOVED BY BLENDING. BLENDED AREA WAS SHOP PEENED, REFINISHED AND BMS 5-95 SEALANT WAS USED TO FILL THE BLENDED AREA TO PREVENT MOISTURE ACCUMULATION. NO REINFORCEMENT WAS REQUIRED. (M)