What was found
DURING C-18 CHECK A .375 INCH CRACK WAS FOUND IN STRINGER CLIP BS 847, STR 10 LT. MAINTENANCE REMOVED CRACKED STRINGER CLIP AT BS 847, STR 10 LT; RECEIVED A NEW REPLACEMENT STRINGER CLIP; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02, PG 45 & 64, FIG 12 & 14.