What was found
DURING C-CHECK, FOUND .50 INCH LOWER L/E SURFACE AT INBOARD SLOT APPROXIMATELY XFS 213.5 LT WING. NDT TO ASSURE CRACK HAD BEEN STOPPED. FABRICATED EXTERNAL DOUBLER AND INSTALLED PER EO 99-136 WITH APPROVED 8110-3 DATED 11-11-99. REF: ZANTOP INTERNATIONAL AIRLINES, INC., ZIAA. (X)