What was found
CORRODED OTBD FRONT SPAR RAIL NUT PLATE, BETWEEN OFSS 297 - OFSS 301, RT WING. REPLACED THE NUT PLATE IAW SRM 51-10-02-0G, ITEM 9, SRM 51-40-02-0G, & DWG 112A4402, SHEET 40, REV A. EVALUATED CORROSION ON RAIL NUT PLATE AND NOT FOUND ALLOWABLE DAMAGE FOR CORROSION ON SRM B737-800 AND PERFORMED GENERAL VISUAL INSPECTION AND NOT FOUND MORE DAMAGE ON ADJACENT AREA. MEASUREMENT OF CORROSION: L: 0.556, W: 0.405,