What was found
YVR - MAJOR REPAIR - DURING C-03 CHECK A 5/16" CRACK WAS FOUND ON STRINGER TIE CLIP AT BS 727C, STRINGER 4 L/H. MAINTENANCE REMOVED THE DAMAGED STINGER TIE CLIP AT BS 727C, STRINGER 4 L/H, FABRICATED A NEW REPLACEMENT TIE CLIP; INSTALLED REPAIR PART IAW B737-300 SRM 51-10-02, PG. 12, AND SRM 51-40-02, PG. 3.