What was found
LCQ - MAJOR REPAIR - DURING C-17 CHECK 2 EACH 1 INCH CRACKS WERE FOUND AT END OF STRINGER 16 RT, AT BS 504C. MAINTENANCE CUTOUT CRACKED AREA OF STRINGER 16 RT, AT BS 504C; FABRICATED 2 EACH REPAIR ANGLES, A HAT SECTION, AND CHANNEL; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-40-02 PG 11-12.