What was found
MCN - MAJOR REPAIR - DURING C-17 CHECK A .25 INCH CRACK WAS FOUND ON STRINGER CLIP AT BS 947, STRINGER 12 LT. MAINTENANCE REMOVED CRACKED STRINGER CLIP AT BS 947, STRINGER 12 LT. FABRICATED A NEW STRINGER CLIP, AND INSTALLED REPAIR IAW B737-300 SRM 51-40-02, PG 3-4, 10-11.