As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HIDDEN DAMAGE: AFTER REMOVED RH SIDE PLATE, CORROSION AND ELONGATED HOLES ON INTERCOSTAL BTW STA 747 AND STA 767 S-25R WERE FOUND AT AFT CARGO COMPARTMENT IN REF NRC 00186 - - RESOLUTION: EMP 10001386 - INTERCOSTAL BTW STA 747 AND STA 767 S-25R WAS REPLACED PER B737-800 SRM 51-40-02-0G-0RE