As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** FWD CARGO STA 400 TO STA 420 STR25R RBL24 Z-CHANNEL HAS CORROSION / REMOVED AND REPLACED 'Z' CHANNEL SECTION AT FWD CARGO BETWEEN STA 396 ABD STA 420 RBL 24 IRW 737-700 SRM 51-40-02-0G-0 AND BOEING DWG# 143A7500. 'Z' CHANNEL SECTIOIN WAS FABRICATED ON DEFECT NO. W144180