What was found
CABIN BS 620, FLOORBEAM UPPER CHORD CORRODED ON UPPER SURFACE, LBL 37 TO LBL 42 REMOVED CORROSION, NDT FOR MATERIAL LOSS, ORIGINAL THICKNESS =.135, REMOVED .013". FLAP PEENED BLENDED AREA. TREATED AND PRIMED AND APPLIED CORROSION INHIBITOR. REF SRM 51-10-2, MM 51-20-151, SOPM 20-10-3 AND EA NR 7-5310-113045.