What was found
DURING ROUTINE C CHECK INSPECTION, LEFT WING NR 2 MAIN TANK LOWER FITTING CRACKED, STA 220.00 STRINGER-59. REMOVED CRACKED FITTING IAW DC8 SRM 51-1-20D. FABRICATED NEW FITTING (AL 7075 T6 51) IAW ATI REPAIR SPECIFICATION NR 2003-05 EA SEMAN NR 20061966 DATE 03-13-06. PERFORMED NDT INSPECTION IAW NDT SPM PART 08-00-02 TO 07. NO CRACK FOUND. ENCLOSED SMN FORM 242-4. PERFORMED HEAT TREATMENT 7075 T6 51 TO 7075 T6 IAW DC-8 SRM 51-1-1 PAGES 1,13, AND 17. CLEANED, TREATED AND PRIMED AREA, NEW FITTING IAW DC-8 SRM 51-1-8B. INSTALLED NEW FITTING IAW DC8 SRM 51-1-20D, DC-8 SRM 51-3-1.