What was found
R2 DOOR AFT UPPER CORNER CRACKED 1.250" LENGTH. PERFORMED MAJOR REPAIR IAW AD200-20-08 S/B DC8 53-075, DOUGLAS DWG SR08530021 AND 5750776. REMOVED FASTENERS IAW SRM 51-1-21. CUT OUT DAMAGED SECTION IAW DOUGLAS DWG SR08530021. PERFORMED NDT INSPECTION IAW NDT SPM PART 06-10-01-001. NO CRACK OR CORROSION FOUND AFTER CUT OUT. ENCLOSED SMN FORM 242-2. FABRICATED REPAIR DOUBLER (AL7075T6 0.090") AND REPAIR TRIPLER (AL7075T6 0.125") AND FILLER (AL7075T6 0.032") IAW DOUGLAS DWG SR08530021. CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-11. INSTALLED REPAIR PARTS IAW DOUGLAS DWG SR08530021, SRM 51-1-21, SRM 51-1-20B, SRM 51-1-20D, SRM 51-3-1.