As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
[DOT W489] FWD CARGO AT STA.500 I AT S-26L; LOCATED UNDER LEFT TRANSITION PANEL STRINGER CLIP CRACKED.<[01] INSTALLED INTERCOSTAL IAW B737-800 SRM 51-40-02;[02] CORRECTION TO CORRECTIVE ACTION: INSTALLED NEW CLIP AND REINSTALLED INTERCOSTAL AT LT.HD. STA. 500 I STR. 26L IAW B737-800 SRM 51-40-02;[03] VERIFIED REMOVAL AND REPLACEMENT OF STRINGER CLIP AND INTERCOSTAL AT STA>.500I STR. 26L IAW B737-800 SRM 51-40-02