What was found
"B" CARGO DOOR FWD LWR JAMB CORNER CRACKED 1/2" STA 521.000 L-31R TO L-32R (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW FAA FORM 8100-9 DATED 07-20-07, BOEING MSG NR 1-425040944-2 DATED 07-20-07, AD2005-18-07, DOUGLAS DWG NR 57507776, ASTAR EVAD852-00012 REV IR DATED 03-18-07, DWG SEMAN ED-4580 DATED 07-09-07. REMOVED FASTENERS IAW SRM 51-1-21, SRM 51-1-20D, SRM 51-1-20B. CUT OUT DAMAGED SECTION IAW SEMAN DWG ED-4580. PERFORMED NDT INSPECTION IAW DC8 NDT SPM PART 08-00-02-07. NO CRACK NOR CORROSION FOUND. ENCLOSED SMN FORM 242-4. FABRICATED REPAIR DOUBLER (AL7075T6 0.090") (2EA) FILLER (AL7075T6 0.071") AND REPAIR TRIPLER (AL7075T6 0.125") IAW SMN DWG ED-4580. CLEANED, TREATED AND PRIMED AREA AND REPAIR P