As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-17 CHECK A 1.5 INCH CRACK WAS FOUND ON STRINGER 18A RT HORIZONTAL LEG, AT BS 725. MAINTENANCE CUT OUT CRACKED SECTION OF STRINGER 18A RT AT BS 725 AND PERFORMED HFEC INSPECTION OF CUTOUT TO VERIFY NO CRACKS EXIST; FABRICATED A REPAIR FILLER AND RADIUS FILLER; INSTALLED REPAIR PARTS IAW AWA ER 03-5314-03284-ES1.