What was found
DURING C-CHECK, INSPECTION FOUND RT FWD WASTE SERVICE DOOR HINGE ATTACH AREA IS CORRODED FS 83 TO 96, LONGERON 27 RT AND 28. *S/D* REMOVED DAMAGED SECTION, FABRICATED AND INSTALLED REPAIR DOUBLER AND FILLER IAW FAA DER COTNEY ENGINEERING SKETCH D02-R10. TREATED AREA IAW DC-8 SRM 51-1-8.