What was found
MCN - MAJOR REPAIR - DURING C-13 CHECK A 1/2" CRACK WAS FOUND ON STRINGER CLIP AT BS 663, STRINGER 10 R/H. MAINTENANCE REMOVED DAMAGED STRINGER CLIP AT BS 663, STRINGER 10 R/H, FABRICATED A NEW STRINGER CLIP, AND INSTALLED REPAIR IAW DWG 69-35352, AND B737-200 SRM 51-30-2, PG. 8, 9, FIG. 11, 13.