As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING STRUCTURAL INSPECTION PER SCA TASK CARD # 531600000_P1-OP-UP-LF/007 WAS FOUND AT THE FWD CARGO COMPARTMENT FROM STA500C TO STA500D, LBL 25 INTERCOSTAL CRACKED. REPLACED INTERCOSTAL P/N 143A7510-23 LOCATED AT STA500C TO STA500D LBL25 I/A/W B737-800 BCF SRM 51-10-02-0G-0 PARAGRAPH 9 AND DRAWING REF. 143A7505.