What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK A 1/4" CRACK WAS FOUND ON STRINGER TIE CLIP AT BS 578, STR 4 R/H. MAINTENANCE REMOVED THE DAMAGED STRINGER TIE CLIP AT BS 578, STR 4 R/H; FABRICATED A NEW REPLACEMENT STRINGER TIE CLIP; AND INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02, PG. 3-4, 10-11, 38, & 45, FIG. 8 & 12.