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 INCH CRACK WAS FOUND ON THE 8TH RIB FROM OUTBOARD END ON RT HORIZONTAL STABILIZER LEADING EDGE. MAINTENANCE CUT OUT CRACK ON RIB RT HORIZONTAL STABILIZER LEADING EDGE; FABRICATED A REPAIR ANGLE PER DWG 65-47993; INSTALLED REPAIR PART IAW B737-300 SRM 51-70-11, PG 1-6 FIG 1.