What was found
FWD CARGO COMPT BS 550 AT STRINGER 27L CORROSION AT FLANGE. CUT OUT STRINGER SECTION DIM 4 INCH IAW B727 SRM 53-10-3 FIG 1. FABRICATED STRINGER SECTION P/N BAC 1498-142 PO NR 9001678 DIM 4 INCH SPLICE REPAIR P/N 7075T6 .050 PO NR 9001777 DIMENSIONS 14 1/2 INCH BY 1 INCH BY 1 1/8 INCH BY 1 INCH BY 1 1/8 INCH BY 1 AN (3 EA.) SHIMS 12 1/2 INCHES BY 3/4 INCH (2EA) AN 14 1/2 INCHES BY 1 INCHES IAW B727 53-10-2 FIG 9 AND 53-10-3 FIG 1. TREATED AN PRIMED STR , SPLICE AN SHIMS AND AREA IAW B727 SRM 51-10-2. INSTALLED STRINGER AN SPLICE REPAIR AN SHIMS IAW B727 SRM 53-10-3 FIG 1.