What was found
AFT CARGO STRINGER 27L FROM APPROX 986-1010 HAS NUMBEROUS SURFACE CORROSION ON THE CHANNEL AND ON LT SIDE AND ON THE BELLY SKIN. REMOVED CORROSION OUT OF LIMITS IAW SRM 53-10-1 FROM 2 PLACES AT STR 27L STA 986-1006. REMOVED CORROSION WITHIN LIMITS FROM STA 947-967. TREATED AND PRIMED AREA IAW SRM 51-10-2 AND MM 51-21-31. FABRICATED 2 REPAIR STR SPLICES, TREATED, PRIMED AND INSTALLED IAW SRM 51-10-2, 51-21-31 AND SRM 53-10-3.