As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL INFORMATION: PASS CABIN FLOOR; 3 CRACKS AT FASTENER HOLES ON UPPE R FLANGE OF INTERCOSTAL BETWEEN BS 5OOD AND BS 520. AT BL0. / REMOVED; LOCATED AND CRILLED AND INSTALLED NEW ANLGE AT PASS CABIN FLOOR STA: 500D AND 520 BL-O; AND APP LIED CIC AREA IAW B737-700 SRM 51-40-02-0G-0; SRM 51 -40-05-0G-0; AMM 51-00-59.201 DWG: 143A5400 REV D. T AG: A09419