As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL BETWEEN STA 847 867 BETWEEN STRINGER 21R AND 22R HAS ELONGATED HOLES. THIS DEFECT IS ASSOCIATED WITH AN EXISTING REPAIR. REMOVED DAMAGED AREA FABRICATED NEW INTERCOSTAL AND INSTALLED IAW B737 400 SRM 51 40 02 AND BAC DRAWING 65 47960.