What was found
C3 CHECK - BUTTSTRAP AFT OF FS 280 HAS CORROSION BETWEEN STR 24R AND 23L. REMOVED FASTENERS FOM IAW SRM 51-42-06-001-001-A01. REMOVED .002" MATERIAL, MATERIAL REMAINING IS .092". NO DAMAGE ALLOWED IAW SRM 53-21-06-101-002-A01. PERFORMED ECI ON BLENDED AREAS, NO CRACKS OR CORROSION FOUND AT THIS TIME IAW NDTM ECI 51-20-006-250-A01. ENGINEERING REQUEST SENT. RECEIVED ENGINEERING. AREA IS ACCEPTABLE AS IS. TREATED, PRIMED AND PAINTED IAW SRM 51-21-11-001-001-A01, 51-25-06-001-001-A01 AND 51-25-16-001-001-A01. INSTALLED REQUIRED FASTENERS IAW SRM 51-42-06-001-001-A01. APPLIED CORROSION INHIBITING COMPOUND IAW SRM 51-21-11-001-001-A01. ALL WORK ACCOMPLISHED IAW REO 670-53-21-612.