What was found
CORROSION (C53-132-02-1/2) WING CENTER SECTION LWR SPAR CHORD BS 740, LBL 32 TO 42, WL 169. *S/D* ACCESSED AREA REMOVED LOWER BS 740 CENTER TANK SPAR CHORD RBL 70.5 TO LBL 70.5, WL 169. INSPECTED FASTENER HOLES, COLD WORKED FASTENER HOLES, FLAP PEENED SKIN, FABRICATED SPLICE PLATES, DRILLED CHORD AND REPAIR PARTS AND INSTALLED IAW FED 7-5710-36197. REINSTALLED ACCESSED ITEMS.