As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(SUPPORT TASK) MAIN CABIN FLOOR INTERCOSTAL LOCATED AT STA 294.5 -312 LBL 15 HAS CORROSION, TRANSCRIBED FROM HAECO GSO N/R 928824 7 REMOVED AND REPLACED INTERCOSTAL IAW B737-700 SRM 51-40-02 AND BOEING DWG 141A4600 REV N. HAECO GSO MECH V901143 INSP QC194