What was found
RT BS 579 S44R LAP JOINT LOWEST FASTNENER HOLE FOUND CORROSION INDICATION AT OUTER SKIN AND INNER SKIN INTERFACE. CORROSION BLEND OUT AT INNER SKIN 0.009" BY 7/8" BY 1" AND OUTER SKIN 0.008" BY 3/4" BY 7/8". FX BS 565-622 BETWEEN STR 43R AND 45R OVERLAPPING AND OVERLAPPING SKIN REPAIRED WITH ZERO TIMED AT CRITICAL ROW FASTENER AS PER SRM 53-30-03 FIG 19. SUBSEQUENT INSPECTIONS ARE NECESSARY FOR CAT B REPAIR. REFER TO SRM 53-30-03 FIG19 TABLE 3 FOR INSPECTION REQUIREMENT.