What was found
C-CHECK - DURING INSP FOUND CORROSION ON STR 26 RT JUST AFT OF FS 280 JOINT STRAP ON STRINGER ATTACH FLANGE. BLENDED AREA OF CORROSION ON STRINGER IAW SRM 51-21-06-001-001-A01. BLENDED AREA FOUND TO BE A "NO DAMAGE ALLOWED" AREA IAW SRM 53-21-03-101-002-A01. SENT DAMAGE REPORT TO MFG ENGINEERING. PERFORMED ECI, NO CRACKS NOTED AT THIS TIME IAW NDTM ECI 51-00-006-250-A01, REO 670-53-21-558. DURIING INSTALL FOUND ADDITIONAL CORROSION ON AFT SECTION OF STRINGER, NO DAMAGE ALLOWED IAW SRM 53-21-03-101-002-A01. SUBMITTED TO ENGINEERING. REMOVED OLD STRINGER, FABRICATED NEW STRINGER IAW SRM 53-21-03-001-002-A01. FABRICATED DOUBLER IAW REO670-53-21-559. PERFORMED ECI ON FRAME CUTLINE. NO CRACK FOUND AT THIS TIME IAW NDTM ECI 51-20-006-250-A01. ETCHED ALODINE IAW SRM 51-21-11-001-001-A01. TOPPED COAT IAW SRM 51-25-06-001-001-A01 AND 51-25-16-001-001-A01. INSTALLED REPAIR IAW REO 670-53-21-559 AND SRM 53-00-03-201-001-A01. TOP COATED FASTENERS IAW SRM 51-25-16-001-001-A01. APPLIED CORROSION INHIBITING COMPOUND IAW SRM 51-21-11-001-001-A01.