What was found
C4 CHECK - DURING INSP FOUND CORROSION ALONG FRAME ATTACH ANGLE BETWEEN STR 25L & 25R. REMOVED FASTENERS FOM IAW SRM 51-42-06-001-001-A01. BLENDED CORROSION ON FRAME ATTACH ANGLE OF .004. ORIGINAL THICKNESS .050 MATERIAL REMAINING IS .046. BLEND FOUND TO BE WITHIN LIMITS IAW SRM 53-21-06-101-006-A01. PERFORMED ECI ON BLENDED AREA, NO CRACKS OR CORROSION FOUND AT THIS TIME IAW NDTM ECI 51-20-006-250-A01. TREATED IAW SRM 51-21-11-001-001-A01. REINSTALLED FASTENERS IAW SRM 51-42-06-001-001-A01. APPLIED TOPCOAT AND CORROSION PREVENTATIVE COMPOUND IAW SRM 51-25-16-001-001-A01 AND 51-21-11-001-001-A01.