What was found
DURING C-17 CHECK A .5000 INCH CRACK WAS FOUND IN STRINGER SPLICE AT BS 907, STR 4 LT MAINTENANCE REMOVED CRACKED STRINGER SPLICE AT BS 907, STR 4 LT; FABRICATED A NEW REPLACEMENT SPLICE IAW DWG 65-51698-9; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02, PARA 4-B AND 7-A.