What was found
NR 2 CARGO DOOR CUT-OUT AFT FRAME, BS 990, RBL 22, WL 147.6 INNER CHORD SHOWS CORROSION SPOTS INNER SIDE AND DENT FROM OUTER SIDE. BLENDED OUT DAMAGED AREA AT NR 2 CARGO DOOR CUT OUT AFT FRAME BS 990 IAW B727 SRM 51-10-1, MATERIAL LOSS .017, ORIGINAL MATERIAL THICKNESS .150, MATERIAL REMAINING .133”, FOUND TO BE OUT OF LIMITS IAW B727 SRM 51-10-1 FIG 1. REMOVED FITTING IAW B727 SRM 51-30-2. CUT OUT DAMAGED AREA DIM 1.75 BY 1.25 IAW B727 SRM 51-40-4, FIG 1. FABRICATED REPAIR 2 EACH ANGLES, MATERIAL USED 7075T6, .040, DIM 8.25” BY 3.25, 1 EACH STRAP, MATERIAL USED 7075T6, .125, DIM 10.25” BY 1.25, 1 EACH FILLER, MATERIAL USED 7075T6, .160, DIM 1.75 BY 1.25 IAW B727 SRM 51-40-4, FIG 1, 53-10-2, FIG 8. TREATED