As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO CRACKED INTERCOSTALS ON FWD FLOOR STRUCTURE WET AREA STA 380 TO 400 BL 0 AND RBL 10 (W1). CORRECTIVE ACTION: ANGLE ON INTERCOSTALS (2EA) ON FWD FLOOR STRUCTURE WET AREA STA 380 TO 400 BL 0 AND RBL 10 (W1) WERE REPLACED PER B737-800, SRM 51-40-02 PAR. (1234115).