What was found
CORROSION ON THE OTBD FRONT SPAR RAIL NUT PLATE, BETWEEN OFSS 430 TO OFSS 444, RT WING. REPLACED THE OTBD FRONT SPAR RAIL NUT PLATE IAW SRM 51-10-02-0G, ITEM 9, SRM 51-40-02-0G, & DWG 112A4402, SHEET 40, REV A. EVALUATED CORROSION ON THE RAIL NUT PLATE AND NOT FOUND ALLOWABLE DAMAGE FOR CORROSION IN SRM & PERFORMED GENERAL VISUAL INSPECTION AND NO MORE DAMAGE ON ADJACENT AREA. MEASURE OF CORROSION, L: 0.772, W: 0.406.