What was found
DURING A ROUTINE C CHECK INSPECTION, RT FUSELAGE AFT CENTER SECTION AFT CARGO COMPARTMENT AFT DOOR FWD JAMB WEAR DAMAGE AT STA FS 1400.00, L-30R TO L-31R. MAJOR REPAIR ACCOMPLISHED REMOVAL OF FASTENERS. REMOVED DAMAGED SECTION. PERFORMED NDT INSPECTION. FABRICATED EXTERNAL REPAIR DOUBLER + FILLER. CLEANED, TREATED AND PRIMED AREA + REPAIR PARTS. APPLIED SEALANT TO FAYING SURFACES INSTALLED REPAIR PARTS IAW SEMAN DRAWING ED-3827 AND FAA FORM 8110-3 NR 05055, DC8 SRM 51-1-411, 51-1-21, 51-1-22, 51-1-26, 51-3-1.