As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT STA 312 TO 294.5 LBL 10; WL 208.1; LAVATORY BASE SUPPORT INTERCOSTAL<[01] REMOVED AND REPLACED INTERCOSTAL BETWEEN STA 294.5 AND STA 312 LBL 10 PER B737-700 SRM 51-40-02-0G-0 AND DRWG #141A5600.;[02] VERIFIED REPLACEMENT OF INTERCOSTAL BETWEEN STA 294.5 AND STA 312 LBL 10