What was found
CORROSION ON INNER FUSELAGE SKIN, FWD PIT, BETWEEN BS 550 - 565, STR 28R. BLENDED OUT CORR MAT LOSS .055 AT BS 550 AND .050 BS 570 AND BOTH FOUND TO BE OUT OF LIMITS IAW B727 SRM 53-30-1 FIG 1. CUT OUT DAMAGED 2 LOCATIONS BS 552 DIM 3.625 X 1.25 INCH & BS 568 SIZE 5.125 X 1.5 INCH IAW B727 SRM 53-30-3 FIG 1. REMOVED EXISTING DOUBLER SIZE 33.5 X 24 INCH IAW B727 SRM 53-30-2 FIG 1. FABRICATED DOUBLER FROM 2024-T3 .0.125 SIZE 69 X 33.5 INCH PO 9002329 IAW COTNEY AEROSPACE EA ED 700-1 REV:IR. TREATED AND PRIMED PARTS & AREA IAW COTNEY AEROSPACE EA, ED 700-1 REV IR. INSTALLED REPAIR PART IAW B727 SRM 51-30-2.