What was found
3.8 INCH LONG CRACK LT TERMINAL FITTING, 8 INCH LONG CRACK, RT TERMINAL FITTING. LOWER FWD CARGO AREA BS 600K, WL 170, LBL 50, RBL 50, INTERIOR P/N 50-5345-11. REF DWG 50-2529 5H.3A ZNC2. THE FOLLOWING A/C HAS THE SAME CRACKS IN THE SAME AREA FROM 3.8 INCHES LONG TO 8 INCHES LONG. BOEING 707-338C S/N 19296 N6546L 65,300 HRS. BOEING 707-3D3C S/N 20495 JY-ADP 45,498.6 HRS. BOEING 707-321C S/N 20016 N870PA 52,582.24 HRS.