What was found
AREA IS RT FWD PAX/CREW DOOR CUTOUT, 3 5/8 INCH CRACK WITH POSSIBLE EXFOLIATION CORROSION EXISTS ALONG TOP EDGE OF AFT CORNER STRAP, BEGINNING 1" FROM FWD EDGE OF CORNER STRAP. (LOWER, AFT CORNER OF DOOR CUTOUT BEHIND FAIL/SAFE RING) AREA MARKED IN RED. SEE ATTACHMENTS FOR DETAILS. FOUND USING HFEC INSPECTION NOTE: EVIDENCE OF PREVIOUS BLENDOUT PRESENT IN SAME EXACT AREA. 09-20-07 REMOVED AFT TAPERED SHIM IAW A310-200 SRM 51-40-21 PARA 7. INSTALLED TAPERED SHIM IAW FEDEX A310-200 SRM 51-40-21 PARA 7. MAJOR REPAIR.