What was found
DURING C-CHECK, FOUND LOWER AFT FUSELAGE COMPARTMENT, FS 1380 AND 30R LONGERON HAS CORROSION. CUT OUT DAMAGED SECTION, FABRICATED REPAIR AND SPLICES IAW SRM 53-2-2, TREATED AND PRIMED IAW SRM 51-1-8. INSTALLED NEW LONGERON SECTION WITH FASTENERS IAW SRM 53-4-1 AND SRM 53-2-2.