As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL FOUND CRACKED UNDER FLOORBOARD IN AFT CABIN BETWEEN BODY STATION 947.5 AND 927 AT RBL 25". REMOVED DAMAGE FROM INTERCOSTAL BETWEEN BODY STATION 947.5 AND 927 AT RBL 25" UNDER FLOORBOARD IN AFT CABIN PER B737 SRM 51-70-11. FABRICATED REPAIR FROM 7075-T6 .050 ALUM SHEET PO 56315A PER B737 SRM 51-70-11, INSTALLED PER B737 51-40-02.