What was found
AFT CARGO COMPARTMENT L19R AFT END CAP HAS CORROSION. REMOVED END CAP, LONGERON, INTERCOSTAL, & WEB FOR CORROSION OUT OF LIMITS REMOVED FASTENERS STA 1151-1167, L18R-L21. LOCATED, DRILLED, DEBURRED, TREATED, PRIMED, ALL PARTS & AREAS & INSTALLED ALL FASTENERS IAW SRM 53-01, 51-10-3, 51-30-5.